Uses

Potassium is an essential mineral needed to regulate water balance, levels of acidity, blood pressure, and neuromuscular function. This mineral also plays a critical role in the transmission of electrical impulses in the heart.

What Are Star Ratings?

This supplement has been used in connection with the following health conditions:

Used for Why
3 Stars
Hypertension in People Not Taking Potassium-Sparing Diuretics
2,400 mg per under a doctor's supervision
Potassium may be effective at lowering blood pressure, according to an analysis of trials.

Potassium supplements in the amount of at least 2,400 mg per day lower blood pressure, according to an analysis of 33 trials. However, potassium supplements greater than 100 mg per tablet require a prescription, and the low-dose potassium supplements available without a prescription can irritate the stomach if taken in large amounts. Moreover, some people, such as those taking potassium-sparing diuretics, should not take potassium supplements. Therefore, the use of potassium supplements for lowering blood pressure should only be done under the care of a doctor.

3 Stars
Kidney Stones and Abdominal Pain (Magnesium Citrate)
1,600 mg daily potassium as citrate and 500 mg daily of magnesium as citrate
Supplementing with a combination of potassium citrate and magnesium citrate may reduce the recurrence rate of kidney stones.
Some citrate research conducted with people who have a history of kidney stones involves supplementation with a combination of potassium citrate and magnesium citrate. In one double-blind trial, the recurrence rate of kidney stones dropped from 64% to 13% for those receiving high amounts of both supplements. In that trial, people were instructed to take six pills per day-enough potassium citrate to provide 1,600 mg of potassium and enough magnesium citrate to provide 500 mg of magnesium. Both placebo and citrate groups were also advised to restrict salt, sugar, animal protein, and foods rich in oxalate. Other trials have also shown that potassium and magnesium citrate supplementation reduces kidney stone recurrences.
2 Stars
Cardiac Arrhythmia
1,000 mg daily under medical supervision
In one study, people taking hydrochlorothiazide for high blood pressure saw a significant reduction in arrhythmias when they supplemented with potassium.

Patients taking hydrochlorothiazide for high blood pressure had a significant reduction in arrhythmias when supplemented with 1 gram twice per day of potassium hydrochloride (supplying 1040 mg per day of elemental potassium). Those results were not improved by adding 500 mg twice per day of magnesium hydroxide (supplying 500 mg per day of elemental magnesium) to the potassium. Low serum concentrations of potassium were found to be associated with a higher incidence of arrhythmia in a large population study.

2 Stars
Chronic Fatigue Syndrome (Magnesium Aspartate)
1 gram of aspartates is taken twice per day
Potassium-magnesium aspartate has shown benefits for chronically fatigued people in some trials.

The combination of potassium aspartate and magnesium aspartate has shown benefits for chronically fatigued people in double-blind trials. However, these trials were performed before the criteria for diagnosing CFS was established, so whether these people were suffering from CFS is unclear. Usually 1 gram of aspartates is taken twice per day, and results have been reported within one to two weeks.

2 Stars
Congestive Heart Failure
Consult a qualified healthcare practitioner
Potassium can be beneficial for heart patients, but talk to your doctor first. Several drugs for CHF may cause potassium retention, making extra potassium dangerous.

Magnesium deficiency frequently occurs in people with CHF, and such a deficiency may lead to heart arrhythmias. Magnesium supplements have reduced the risk of these arrhythmias. People with CHF are often given drugs that deplete both magnesium and potassium; a deficiency of either of these minerals may lead to an arrhythmia. Many doctors suggest magnesium supplements of 300 mg per day.

Whole fruit and fruit and vegetable juice, which are high in potassium, are also recommended by some doctors. One study showed that elderly men who consumed food prepared with potassium-enriched salt (containing about half potassium chloride and half sodium chloride) had a 70% reduction in deaths due to heart failure and a significant reduction in medical costs for cardiovascular disease, when compared with men who continued to use regular salt. While increasing potassium intake can be beneficial for heart patients, this dietary change should be discussed with a healthcare provider, because several drugs given to people with CHF may actually cause retention of potassium, making dietary potassium, even from fruit, dangerous.

2 Stars
Premenstrual Syndrome
600 mg daily
A preliminary trial found that women with severe PMS who took potassium supplements had complete resolution of PMS symptoms within four menstrual cycles.

A preliminary, uncontrolled trial found that women with severe PMS who took potassium supplements had complete resolution of PMS symptoms within four menstrual cycles. Most participants took 400 mg of potassium per day as potassium gluconate plus 200 mg of potassium per day as potassium chloride for the first two cycles, then switched to solely the gluconate form (600 mg potassium per day) for the remainder of the year-long trial. Without exception, all of the women found their symptoms (i.e., bloating, fatigue, irritability, etc.) decreasing gradually over three cycles and disappearing completely by the fourth cycle. Controlled trials are needed to confirm these preliminary observations.

How It Works

How to Use It

The best way to obtain extra potassium is to eat several pieces of fruit per day, as well as liberal amounts of vegetables. The amount of potassium found in the diet ranges from about 2.5 grams to about 5.8 grams per day. The amount allowed in supplements-99 mg per tablet or capsule-is very low, considering that one banana can contain 500 mg. Check with your physician before taking large amounts of potassium since it may irritate the stomach.

Where to Find It

Most fruits are excellent sources of potassium. Beans, milk, and vegetables contain significant amounts of potassium.

Possible Deficiencies

So-called primitive diets provided much greater levels of potassium than modern diets, which may provide too little. Gross deficiencies, however, are rare except in cases of prolonged vomiting, diarrhea, or use of "potassium-depleting" diuretic drugs. People taking one of these drugs are often advised by their doctor to take supplemental potassium. Prescription amounts of potassium provide more than the amounts sold over the counter but not more than the amount found in several pieces of fruit.

Best Form to Take

Common supplement forms of potassium include potassium gluconate, potassium chloride, potassium citrate, and potassium aspartate. Potassium citrate is the preferred form for the prevention of kidney stones. The aspartate in potassium magnesium aspartate (which delivers both potassium aspartate and magnesium aspartate) may increase uptake of potassium. Yet, care needs to be taken not to consume excessive amounts of aspartate. To avoid consuming too much aspartate, one recommendation is to limit potassium magnesium aspartate to 3.35 g/day (equivalent to around 400 mg of potassium and 2.7 g of aspartate), and to get additional potassium from other forms.1

Interactions

Interactions with Supplements, Foods, & Other Compounds

Potassium and sodium work together in the body to maintain muscle tone, blood pressure, water balance, and other functions. Many researchers believe that part of the blood pressure problem caused by too much salt (which contains sodium) is made worse by too little dietary potassium.

People with kidney failure should not take potassium supplements, except under careful medical supervision.

Interactions with Medicines

Certain medicines interact with this supplement.

Types of interactions: Beneficial Adverse Check

Replenish Depleted Nutrients

  • Abiraterone

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Albuterol

    Therapeutic amounts of intravenous salbutamol (albuterol) in four healthy people were associated with decreased plasma levels of calcium, magnesium, phosphate, and potassium. Decreased potassium levels have been reported with oral, intramuscular, and subcutaneous albuterol administration. How frequently this effect occurs is not known; whether these changes are preventable through diet or supplementation is also unknown.

  • Albuterol (Refill)

    Therapeutic amounts of intravenous salbutamol (albuterol) in four healthy people were associated with decreased plasma levels of calcium, magnesium, phosphate, and potassium. Decreased potassium levels have been reported with oral, intramuscular, and subcutaneous albuterol administration. How frequently this effect occurs is not known; whether these changes are preventable through diet or supplementation is also unknown.

  • Aldesleukin

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Amifostine Crystalline

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Aminosalicylic Acid

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Amoxicillin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Amoxicillin-Potassium Clavulanate

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Ampicillin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Ampicillin Sodium

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Ampicillin with Sulbactam

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Anastrozole

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Arformoterol

    Therapeutic amounts of intravenous salbutamol (albuterol) in four healthy people were associated with decreased plasma levels of calcium, magnesium, phosphate, and potassium. Decreased potassium levels have been reported with oral, intramuscular, and subcutaneous albuterol administration. How frequently this effect occurs is not known; whether these changes are preventable through diet or supplementation is also unknown.

  • Arsenic Trioxide

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Asparaginase

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Axitinib

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Azacitidine

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Azithromycin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Azithromycin Hydrogen Citrate

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Aztreonam

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Aztreonam in Dextrose(IsoOsm)

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Bacampicillin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Bacitracin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • BCG Live

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Belinostat

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Bendroflumethiazide

    Potassium-depleting diuretics, including thiazide diuretics, cause the body to lose potassium; they may also cause cellular magnesium depletion, although this deficiency may not be reflected by a low blood level of magnesium. Magnesium loss induced by potassium-depleting diuretics can cause additional potassium loss. Until more is known, it has been suggested that people taking potassium-depleting diuretics, including thiazide diuretics, should supplement both potassium and magnesium.

    People taking thiazide diuretics should be monitored by their prescribing doctor, who will prescribe potassium supplements if needed. Such supplementation is particularly critical before surgery in patients with a history of heart disease. In a preliminary study, people with low blood levels of potassium (in part related to diuretic use) had a higher incidence of serious problems resulting from surgery (including death) compared with those having normal potassium levels. A double-blind trial showed that thiazide diuretic use led to a reduction in blood levels of potassium in some participants. Those experiencing decreased potassium levels were also more likely to experience cardiovascular events, such as heart attacks, stroke, heart failure, aneurysm, and sudden cardiac death. Fruit is high in potassium, and increasing fruit intake (especially bananas) is another way of supplementing potassium.

    Magnesium supplementation for people taking thiazide diuretics is typically 300-600 mg per day, though higher amounts (over 800 mg per day) have been reported in a controlled study to reduce side effects of thiazides. Combining supplementation of both potassium and magnesium has been reported to correct abnormally low blood levels of potassium and also to protect against excessive loss of magnesium.

  • Bexarotene

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Bicalutamide

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Bisacodyl

    Prolonged and frequent use of stimulant laxatives, including bisacodyl, may cause excessive and unwanted loss of water, potassium, and other nutrients from the body. Bisacodyl should be used for a maximum of one week, or as directed on the package label. Excessive use of any laxative can cause depletion of many nutrients. In order to protect against multiple nutrient deficiencies, it is important to not overuse laxatives. People with constipation should consult with their doctor or pharmacist before using bisacodyl.

  • Bleomycin

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Bortezomib

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Bosutinib

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Bumetanide

    Potassium-depleting diuretics, including loop diuretics, cause the body to lose potassium. Loop diuretics may also cause cellular magnesium depletion, although this deficiency may not be reflected by a low blood level of magnesium. Magnesium loss induced by potassium-depleting diuretics can cause additional potassium loss. Until more is known, it has been suggested that people taking potassium-depleting diuretics, including loop diuretics, should supplement both potassium and magnesium.

    People taking loop diuretics should be monitored by their doctor, who will prescribe potassium supplements if needed. Such supplementation is particularly critical before surgery in patients with a history of heart disease. In a preliminary study, people with low blood levels of potassium (in part related to diuretic use) had a higher incidence of serious problems resulting from surgery (including death) compared with those having normal potassium levels. Fruit is high in potassium, and increasing fruit intake is another way of supplementing potassium. Magnesium supplementation is typically 300-400 mg per day.

  • Busulfan

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Cabazitaxel

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Cabozantinib

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Capecitabine

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Capreomycin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Carboplatin

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Carfilzomib

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Carmustine

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Cefaclor

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cefadroxil

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cefamandole

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cefazolin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cefazolin in D5W

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cefazolin in Dextrose (Iso-os)

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cefazolin in Normal Saline

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cefazolin Sodium-Sterile Water

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cefdinir

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cefditoren Pivoxil

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cefepime

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cefixime

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cefonicid

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cefoperazone

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cefotaxime

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cefotaxime in D5W

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cefotetan

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cefotetan in Dextrose

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cefotetan in Dextrose, Iso-osm

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cefoxitin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cefoxitin in 2.2% Dextrose

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cefoxitin in 3.9% Dextrose

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cefoxitin in Dextrose, Iso-osm

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cefpodoxime

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cefprozil

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Ceftaroline Fosamil

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Ceftazidime

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Ceftazidime-Dextrose (Iso-osm)

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Ceftibuten

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Ceftizoxime

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Ceftriaxone

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Ceftriaxone-Dextrose (Iso-osm)

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cefuroxime

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cephalexin HCl

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cephalothin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cephapirin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Ceritinib

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Cetuximab

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Chlorambucil

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Chloramphenicol

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Chlorothiazide

    Potassium-depleting diuretics, including thiazide diuretics, cause the body to lose potassium; they may also cause cellular magnesium depletion, although this deficiency may not be reflected by a low blood level of magnesium. Magnesium loss induced by potassium-depleting diuretics can cause additional potassium loss. Until more is known, it has been suggested that people taking potassium-depleting diuretics, including thiazide diuretics, should supplement both potassium and magnesium.

    People taking thiazide diuretics should be monitored by their prescribing doctor, who will prescribe potassium supplements if needed. Such supplementation is particularly critical before surgery in patients with a history of heart disease. In a preliminary study, people with low blood levels of potassium (in part related to diuretic use) had a higher incidence of serious problems resulting from surgery (including death) compared with those having normal potassium levels. A double-blind trial showed that thiazide diuretic use led to a reduction in blood levels of potassium in some participants. Those experiencing decreased potassium levels were also more likely to experience cardiovascular events, such as heart attacks, stroke, heart failure, aneurysm, and sudden cardiac death. Fruit is high in potassium, and increasing fruit intake (especially bananas) is another way of supplementing potassium.

    Magnesium supplementation for people taking thiazide diuretics is typically 300-600 mg per day, though higher amounts (over 800 mg per day) have been reported in a controlled study to reduce side effects of thiazides. Combining supplementation of both potassium and magnesium has been reported to correct abnormally low blood levels of potassium and also to protect against excessive loss of magnesium.

  • Chlorthalidone

    Potassium-depleting diuretics, including thiazide diuretics, cause the body to lose potassium; they may also cause cellular magnesium depletion, although this deficiency may not be reflected by a low blood level of magnesium. Magnesium loss induced by potassium-depleting diuretics can cause additional potassium loss. Until more is known, it has been suggested that people taking potassium-depleting diuretics, including thiazide diuretics, should supplement both potassium and magnesium.

    People taking thiazide diuretics should be monitored by their prescribing doctor, who will prescribe potassium supplements if needed. Such supplementation is particularly critical before surgery in patients with a history of heart disease. In a preliminary study, people with low blood levels of potassium (in part related to diuretic use) had a higher incidence of serious problems resulting from surgery (including death) compared with those having normal potassium levels. A double-blind trial showed that thiazide diuretic use led to a reduction in blood levels of potassium in some participants. Those experiencing decreased potassium levels were also more likely to experience cardiovascular events, such as heart attacks, stroke, heart failure, aneurysm, and sudden cardiac death. Fruit is high in potassium, and increasing fruit intake (especially bananas) is another way of supplementing potassium.

    Magnesium supplementation for people taking thiazide diuretics is typically 300-600 mg per day, though higher amounts (over 800 mg per day) have been reported in a controlled study to reduce side effects of thiazides. Combining supplementation of both potassium and magnesium has been reported to correct abnormally low blood levels of potassium and also to protect against excessive loss of magnesium.

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  • Ciprofloxacin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Ciprofloxacin in D5W

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cisplatin

    Cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Cladribine

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Clarithromycin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Clindamycin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Clindamycin HCl

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Clindamycin in D5W

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Clindamycin Palmitate

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Clofarabine

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Cloxacillin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Colchicine

    Colchicine has been associated with impaired absorption of beta-carotene, fat, lactose (milk sugar), potassium, and sodium.

  • Colistimethate Sodium

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cortisone

    Oral corticosteroids increase the urinary loss of potassium. This may not cause a significant problem for most people. Individuals who wish to increase potassium intake should eat more fruits, vegetables, and juices rather than taking over-the-counter potassium supplements, which do not contain significant amounts of potassium.

  • Crizotinib

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Cromolyn

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Cycloserine

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Cytarabine

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Cytarabine Liposome

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Dabrafenib

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Dactinomycin

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Dapsone

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Daptomycin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Dasatinib

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Daunorubicin

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Daunorubicin Liposome

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Degarelix

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Demeclocycline

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Denileukin Diftitox

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Dexamethasone

    Oral corticosteroids increase the urinary loss of potassium. This may not cause a significant problem for most people. Individuals who wish to increase potassium intake should eat more fruits, vegetables, and juices rather than taking over-the-counter potassium supplements, which do not contain significant amounts of potassium.

  • Dexrazoxane

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Dicloxacillin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Dirithromycin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Docetaxel

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

    Glutathione , the main antioxidant found within cells, is frequently depleted in individuals on chemotherapy and/or radiation. Preliminary studies have found that intravenously injected glutathione may decrease some of the adverse effects of chemotherapy and radiation, such as diarrhea.

  • Docusate

    Taking docusate increases the amount of potassium excreted from the body in the stool. Whether people taking docusate for long periods of time need to increase their intake of potassium is unknown.

  • Doripenem

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Doxorubicin

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Doxorubicin Liposomal

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Doxycycline

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Enzalutamide

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Epirubicin

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Eribulin

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Erlotinib

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Ertapenem

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Erythromycin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Erythromycin Ethylsuccinate

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Erythromycin Lactobionate

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Erythromycin Stearate

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Erythromycin-Sulfisoxazole

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Estramustine

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Ethambutol

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Ethionamide

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Etoposide

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Etoposide Phosphate

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Everolimus

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Exemestane

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Felodipine

    Felodipine can lead to increased excretion of potassium. A potassium deficiency may result if potassium intake is not sufficient. People taking felodipine should eat a high-potassium diet and be checked regularly for low blood potassium by a doctor.

  • Fidaxomicin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Floxuridine

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Fludarabine

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Fluorouracil

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Flutamide

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Formoterol Fumarate

    Therapeutic amounts of intravenous salbutamol (albuterol) in four healthy people were associated with decreased plasma levels of calcium, magnesium, phosphate, and potassium. Decreased potassium levels have been reported with oral, intramuscular, and subcutaneous albuterol administration. How frequently this effect occurs is not known; whether these changes are preventable through diet or supplementation is also unknown.

  • Fulvestrant

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Furosemide

    Potassium-depleting diuretics, including loop diuretics, cause the body to lose potassium. Loop diuretics may also cause cellular magnesium depletion, although this deficiency may not be reflected by a low blood level of magnesium. Magnesium loss induced by potassium-depleting diuretics can cause additional potassium loss. Until more is known, it has been suggested that people taking potassium-depleting diuretics, including loop diuretics, should supplement both potassium and magnesium.

    People taking loop diuretics should be monitored by their doctor, who will prescribe potassium supplements if needed. Such supplementation is particularly critical before surgery in patients with a history of heart disease. In a preliminary study, people with low blood levels of potassium (in part related to diuretic use) had a higher incidence of serious problems resulting from surgery (including death) compared with those having normal potassium levels. Fruit is high in potassium, and increasing fruit intake is another way of supplementing potassium. Magnesium supplementation is typically 300-400 mg per day.

  • Gatifloxacin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Gatifloxacin in D5W

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Gefitinib

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Gemcitabine

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Gemifloxacin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Gentamicin

    Gentamicin has been associated with hypokalemia (low potassium levels) in humans.

  • Gentamicin (Pediatric)

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Gentamicin in Normal Saline

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Gentamicin in Saline (Iso-osm)

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Gentamicin Sulfate (Ped-PF)

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Goserelin

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Hydrochlorothiazide

    Potassium-depleting diuretics, including thiazide diuretics, cause the body to lose potassium; they may also cause cellular magnesium depletion, although this deficiency may not be reflected by a low blood level of magnesium. Magnesium loss induced by potassium-depleting diuretics can cause additional potassium loss. Until more is known, it has been suggested that people taking potassium-depleting diuretics, including thiazide diuretics, should supplement both potassium and magnesium.

    People taking thiazide diuretics should be monitored by their prescribing doctor, who will prescribe potassium supplements if needed. Such supplementation is particularly critical before surgery in patients with a history of heart disease. In a preliminary study, people with low blood levels of potassium (in part related to diuretic use) had a higher incidence of serious problems resulting from surgery (including death) compared with those having normal potassium levels. A double-blind trial showed that thiazide diuretic use led to a reduction in blood levels of potassium in some participants. Those experiencing decreased potassium levels were also more likely to experience cardiovascular events, such as heart attacks, stroke, heart failure, aneurysm, and sudden cardiac death. Fruit is high in potassium, and increasing fruit intake (especially bananas) is another way of supplementing potassium.

    Magnesium supplementation for people taking thiazide diuretics is typically 300-600 mg per day, though higher amounts (over 800 mg per day) have been reported in a controlled study to reduce side effects of thiazides. Combining supplementation of both potassium and magnesium has been reported to correct abnormally low blood levels of potassium and also to protect against excessive loss of magnesium.

  • Hydroflumethiazide

    Potassium-depleting diuretics, including thiazide diuretics, cause the body to lose potassium; they may also cause cellular magnesium depletion, although this deficiency may not be reflected by a low blood level of magnesium. Magnesium loss induced by potassium-depleting diuretics can cause additional potassium loss. Until more is known, it has been suggested that people taking potassium-depleting diuretics, including thiazide diuretics, should supplement both potassium and magnesium.

    People taking thiazide diuretics should be monitored by their prescribing doctor, who will prescribe potassium supplements if needed. Such supplementation is particularly critical before surgery in patients with a history of heart disease. In a preliminary study, people with low blood levels of potassium (in part related to diuretic use) had a higher incidence of serious problems resulting from surgery (including death) compared with those having normal potassium levels. A double-blind trial showed that thiazide diuretic use led to a reduction in blood levels of potassium in some participants. Those experiencing decreased potassium levels were also more likely to experience cardiovascular events, such as heart attacks, stroke, heart failure, aneurysm, and sudden cardiac death. Fruit is high in potassium, and increasing fruit intake (especially bananas) is another way of supplementing potassium.

    Magnesium supplementation for people taking thiazide diuretics is typically 300-600 mg per day, though higher amounts (over 800 mg per day) have been reported in a controlled study to reduce side effects of thiazides. Combining supplementation of both potassium and magnesium has been reported to correct abnormally low blood levels of potassium and also to protect against excessive loss of magnesium.

  • Hydroxyurea

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Ibrutinib

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Idarubicin

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Ifosfamide

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Imatinib

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Imipenem-Cilastatin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Indacaterol

    Therapeutic amounts of intravenous salbutamol (albuterol) in four healthy people were associated with decreased plasma levels of calcium, magnesium, phosphate, and potassium. Decreased potassium levels have been reported with oral, intramuscular, and subcutaneous albuterol administration. How frequently this effect occurs is not known; whether these changes are preventable through diet or supplementation is also unknown.

  • Indapamide

    Potassium-depleting diuretics, including thiazide diuretics, cause the body to lose potassium; they may also cause cellular magnesium depletion, although this deficiency may not be reflected by a low blood level of magnesium. Magnesium loss induced by potassium-depleting diuretics can cause additional potassium loss. Until more is known, it has been suggested that people taking potassium-depleting diuretics, including thiazide diuretics, should supplement both potassium and magnesium.

    People taking thiazide diuretics should be monitored by their prescribing doctor, who will prescribe potassium supplements if needed. Such supplementation is particularly critical before surgery in patients with a history of heart disease. In a preliminary study, people with low blood levels of potassium (in part related to diuretic use) had a higher incidence of serious problems resulting from surgery (including death) compared with those having normal potassium levels. A double-blind trial showed that thiazide diuretic use led to a reduction in blood levels of potassium in some participants. Those experiencing decreased potassium levels were also more likely to experience cardiovascular events, such as heart attacks, stroke, heart failure, aneurysm, and sudden cardiac death. Fruit is high in potassium, and increasing fruit intake (especially bananas) is another way of supplementing potassium.

    Magnesium supplementation for people taking thiazide diuretics is typically 300-600 mg per day, though higher amounts (over 800 mg per day) have been reported in a controlled study to reduce side effects of thiazides. Combining supplementation of both potassium and magnesium has been reported to correct abnormally low blood levels of potassium and also to protect against excessive loss of magnesium.

  • Interferon Alfa-2a

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Interferon Alfa-2B

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Irinotecan

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Irinotecan Liposomal

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Isoniazid

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Isoniazid-Rifampin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Isoniazid-Rifamp-Pyrazinamide

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Ixabepilone

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Ixazomib

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Kit For Indium-111-Ibritumomab

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Kit For Yttrium-90-Ibritumomab

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Lapatinib

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Lenalidomide

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Lenvatinib

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Letrozole

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Leucovorin

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Leuprolide

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Leuprolide (3 Month)

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Leuprolide (4 Month)

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Leuprolide (6 Month)

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Levalbuterol

    Therapeutic amounts of intravenous salbutamol (albuterol) in four healthy people were associated with decreased plasma levels of calcium, magnesium, phosphate, and potassium. Decreased potassium levels have been reported with oral, intramuscular, and subcutaneous albuterol administration. How frequently this effect occurs is not known; whether these changes are preventable through diet or supplementation is also unknown.

  • Levalbuterol Tartrate

    Therapeutic amounts of intravenous salbutamol (albuterol) in four healthy people were associated with decreased plasma levels of calcium, magnesium, phosphate, and potassium. Decreased potassium levels have been reported with oral, intramuscular, and subcutaneous albuterol administration. How frequently this effect occurs is not known; whether these changes are preventable through diet or supplementation is also unknown.

  • Levamisole

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Levofloxacin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Levofloxacin in D5W

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Levoleucovorin Calcium

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Lincomycin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Linezolid

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Lomustine

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Mechlorethamine

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Medroxyprogesterone

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Megestrol

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Melphalan

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Mercaptopurine

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

    Many chemotherapy drugs can cause diarrhea, lack of appetite, vomiting, and damage to the gastrointestinal tract. Recent anti-nausea prescription medications are often effective. Nonetheless, nutritional deficiencies still occur. People undergoing chemotherapy should talk to their doctor about whether supplementing with a multivitamin-mineral will protect them against deficiencies.

  • Meropenem

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Mesna

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Metaproterenol

    Therapeutic amounts of intravenous salbutamol (albuterol) in four healthy people were associated with decreased plasma levels of calcium, magnesium, phosphate, and potassium. Decreased potassium levels have been reported with oral, intramuscular, and subcutaneous albuterol administration. How frequently this effect occurs is not known; whether these changes are preventable through diet or supplementation is also unknown.

  • Methotrexate

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Methoxsalen

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Methyclothiazide

    Potassium-depleting diuretics, including thiazide diuretics, cause the body to lose potassium; they may also cause cellular magnesium depletion, although this deficiency may not be reflected by a low blood level of magnesium. Magnesium loss induced by potassium-depleting diuretics can cause additional potassium loss. Until more is known, it has been suggested that people taking potassium-depleting diuretics, including thiazide diuretics, should supplement both potassium and magnesium.

    People taking thiazide diuretics should be monitored by their prescribing doctor, who will prescribe potassium supplements if needed. Such supplementation is particularly critical before surgery in patients with a history of heart disease. In a preliminary study, people with low blood levels of potassium (in part related to diuretic use) had a higher incidence of serious problems resulting from surgery (including death) compared with those having normal potassium levels. A double-blind trial showed that thiazide diuretic use led to a reduction in blood levels of potassium in some participants. Those experiencing decreased potassium levels were also more likely to experience cardiovascular events, such as heart attacks, stroke, heart failure, aneurysm, and sudden cardiac death. Fruit is high in potassium, and increasing fruit intake (especially bananas) is another way of supplementing potassium.

    Magnesium supplementation for people taking thiazide diuretics is typically 300-600 mg per day, though higher amounts (over 800 mg per day) have been reported in a controlled study to reduce side effects of thiazides. Combining supplementation of both potassium and magnesium has been reported to correct abnormally low blood levels of potassium and also to protect against excessive loss of magnesium.

  • Methylprednisolone

    Oral corticosteroids increase the urinary loss of potassium. This may not cause a significant problem for most people. Individuals who wish to increase potassium intake should eat more fruits, vegetables, and juices rather than taking over-the-counter potassium supplements, which do not contain significant amounts of potassium.

  • Metolazone

    Potassium-depleting diuretics, including thiazide diuretics, cause the body to lose potassium; they may also cause cellular magnesium depletion,3 although this deficiency may not be reflected by a low blood level of magnesium.4 Magnesium loss induced by potassium-depleting diuretics can cause additional potassium loss. Until more is known, it has been suggested that people taking potassium-depleting diuretics, including thiazide diuretics, should supplement both potassium and magnesium.5

    People taking thiazide diuretics should be monitored by their prescribing doctor, who will prescribe potassium supplements if needed. Such supplementation is particularly critical before surgery in patients with a history of heart disease. In a preliminary study, people with low blood levels of potassium (in part related to diuretic use) had a higher incidence of serious problems resulting from surgery (including death) compared with those having normal potassium levels.6 A double-blind trial showed that thiazide diuretic use led to a reduction in blood levels of potassium in some participants. Those experiencing decreased potassium levels were also more likely to experience cardiovascular events, such as heart attacks, stroke, heart failure, aneurysm, and sudden cardiac death.7 Fruit is high in potassium, and increasing fruit intake (especially bananas) is another way of supplementing potassium.

    Magnesium supplementation for people taking thiazide diuretics is typically 300-600 mg per day, though higher amounts (over 800 mg per day) have been reported in a controlled study to reduce side effects of thiazides.8 Combining supplementation of both potassium and magnesium has been reported to correct abnormally low blood levels of potassium and also to protect against excessive loss of magnesium.9

  • Mezlocillin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Mineral Oil

    Mineral oil has interfered with the absorption of many nutrients, including beta-carotene, phosphorus, potassium, and vitamins A, D, K, and E in some, but not all, research. Taking mineral oil on an empty stomach may reduce this interference. It makes sense to take a daily multivitamin-mineral supplement two hours before or after mineral oil. It is important to read labels, because many multivitamins do not contain vitamin K or contain inadequate (less than 100 mcg per day) amounts.

  • Minocycline

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Mitomycin

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Mitotane

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Mitoxantrone

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Moxifloxacin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Moxifloxacin in Saline

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Nafcillin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Nafcillin in D2.4W

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Necitumumab

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Nelarabine

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Neomycin

    Neomycin can decrease absorption or increase elimination of many nutrients, including calcium, carbohydrates, beta-carotene, fats, folic acid, iron, magnesium, potassium, sodium, and vitamin A, vitamin B12, vitamin D, and vitamin K. Surgery preparation with oral neomycin is unlikely to lead to deficiencies. It makes sense for people taking neomycin for more than a few days to also take a multivitamin-mineral supplement.

  • Netilmicin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Nilotinib

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Nilutamide

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Nintedanib

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Norfloxacin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Ofloxacin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Oxacillin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Oxacillin in Dextrose

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Oxaliplatin

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Oxytetracycline

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Paclitaxel

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Paclitaxel-Protein Bound

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Panitumumab

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Panobinostat

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Pazopanib

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Pegaspargase

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Peginterferon Alfa-2b

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Pemetrexed

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Penicillin G

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Penicillin G Benzathine

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Penicillin G Benzathine & Proc

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Penicillin G Pot in Dextrose

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Penicillin G Potassium

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Penicillin G Procaine

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Penicillin V

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Pentostatin

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Pertuzumab

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Piperacillin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Piperacillin-Tazobactam

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Piperacillin-Tazobactam-Dextrs

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Pirbuterol

    Therapeutic amounts of intravenous salbutamol (albuterol) in four healthy people were associated with decreased plasma levels of calcium, magnesium, phosphate, and potassium. Decreased potassium levels have been reported with oral, intramuscular, and subcutaneous albuterol administration. How frequently this effect occurs is not known; whether these changes are preventable through diet or supplementation is also unknown.

  • Plicamycin

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Polifeprosan 20 with Carmustine

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Polythiazide

    Potassium-depleting diuretics, including thiazide diuretics, cause the body to lose potassium; they may also cause cellular magnesium depletion, although this deficiency may not be reflected by a low blood level of magnesium. Magnesium loss induced by potassium-depleting diuretics can cause additional potassium loss. Until more is known, it has been suggested that people taking potassium-depleting diuretics, including thiazide diuretics, should supplement both potassium and magnesium.

    People taking thiazide diuretics should be monitored by their prescribing doctor, who will prescribe potassium supplements if needed. Such supplementation is particularly critical before surgery in patients with a history of heart disease. In a preliminary study, people with low blood levels of potassium (in part related to diuretic use) had a higher incidence of serious problems resulting from surgery (including death) compared with those having normal potassium levels. A double-blind trial showed that thiazide diuretic use led to a reduction in blood levels of potassium in some participants. Those experiencing decreased potassium levels were also more likely to experience cardiovascular events, such as heart attacks, stroke, heart failure, aneurysm, and sudden cardiac death. Fruit is high in potassium, and increasing fruit intake (especially bananas) is another way of supplementing potassium.

    Magnesium supplementation for people taking thiazide diuretics is typically 300-600 mg per day, though higher amounts (over 800 mg per day) have been reported in a controlled study to reduce side effects of thiazides. Combining supplementation of both potassium and magnesium has been reported to correct abnormally low blood levels of potassium and also to protect against excessive loss of magnesium.

  • Pomalidomide

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Ponatinib

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Pralatrexate

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Prednisolone

    Oral corticosteroids increase the urinary loss of potassium. This may not cause a significant problem for most people. Individuals who wish to increase potassium intake should eat more fruits, vegetables, and juices rather than taking over-the-counter potassium supplements, which do not contain significant amounts of potassium.

  • Prednisone

    Oral corticosteroids increase the urinary loss of potassium. This may not cause a significant problem for most people. Individuals who wish to increase potassium intake should eat more fruits, vegetables, and juices rather than taking over-the-counter potassium supplements, which do not contain significant amounts of potassium.

  • Pyrazinamide

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Quinupristin-Dalfopristin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Regorafenib

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Rifabutin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Rifampin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Rifapentine

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Rifaximin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Romidepsin

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Salmeterol

    Therapeutic amounts of intravenous salbutamol (albuterol) in four healthy people were associated with decreased plasma levels of calcium, magnesium, phosphate, and potassium. Decreased potassium levels have been reported with oral, intramuscular, and subcutaneous albuterol administration. How frequently this effect occurs is not known; whether these changes are preventable through diet or supplementation is also unknown.

  • Salsalate

    Salsalate and aspirin are rapidly converted in the body to salicylic acid. Taking large amounts of aspirin can result in lower than normal blood levels of potassium, though it is not known whether this change is significant. Controlled studies are needed to determine whether people taking salsalate are at risk for potassium deficiency.

  • Samarium Sm 153 Lexidronam

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Sipuleucel-T In Lr

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Sorafenib

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Streptomycin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Sulfacetamide

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Sulfadiazine

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Sulfamethoxazole

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Sulfisoxazole

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Sunitinib

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Tamoxifen

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Tedizolid

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Telavancin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Telithromycin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Temsirolimus

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • TeniposIde

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Terbutaline

    Therapeutic amounts of intravenous salbutamol (albuterol) in four healthy people were associated with decreased plasma levels of calcium, magnesium, phosphate, and potassium. Decreased potassium levels have been reported with oral, intramuscular, and subcutaneous albuterol administration. How frequently this effect occurs is not known; whether these changes are preventable through diet or supplementation is also unknown.

  • Testolactone

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Tetracycline

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Thalidomide

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Theophylline

    Preliminary evidence indicates that theophylline can promote potassium and magnesium deficiency. Some doctors have noted a tendency for persons on theophylline to become deficient in these minerals. Therefore, supplementing with these minerals may be necessary during theophylline therapy. Consult with a doctor to make this determination.

  • Thioguanine

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Thiotepa

    Cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Ticarcillin-Clavulanate

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Tigecycline

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Tobramycin

    Calcium , magnesium, and potassium depletion requiring prolonged replacement were reported in a child with tetany who had just completed a three-week course of i.v. tobramycin. The authors suggest this may have been due to kidney damage related to the drug. Seventeen patients with cancer developed calcium, magnesium, and potassium depletion after treatment with aminoglycoside antibiotics, including tobramycin. The authors suggested a possible potentiating action of tobramycin-induced mineral depletion by chemotherapy drugs, especially doxorubicin (Adriamycin®).

    Until more is known, people receiving i.v. tobramycin should ask their doctor about monitoring calcium, magnesium, and potassium levels and the possibility of mineral replacement.

  • Tobramycin Sulfate

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Topotecan

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Toremifene

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Torsemide

    Potassium-depleting diuretics, including loop diuretics, cause the body to lose potassium. Loop diuretics may also cause cellular magnesium depletion, although this deficiency may not be reflected by a low blood level of magnesium. Magnesium loss induced by potassium-depleting diuretics can cause additional potassium loss. Until more is known, it has been suggested that people taking potassium-depleting diuretics, including loop diuretics, should supplement both potassium and magnesium.

    People taking loop diuretics should be monitored by their doctor, who will prescribe potassium supplements if needed. Such supplementation is particularly critical before surgery in patients with a history of heart disease. In a preliminary study, people with low blood levels of potassium (in part related to diuretic use) had a higher incidence of serious problems resulting from surgery (including death) compared with those having normal potassium levels. Fruit is high in potassium, and increasing fruit intake is another way of supplementing potassium. Magnesium supplementation is typically 300-400 mg per day.

  • Trametinib

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Trastuzumab

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Tretinoin (Chemotherapy)

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Trichlormethiazide

    Potassium-depleting diuretics, including thiazide diuretics, cause the body to lose potassium; they may also cause cellular magnesium depletion, although this deficiency may not be reflected by a low blood level of magnesium. Magnesium loss induced by potassium-depleting diuretics can cause additional potassium loss. Until more is known, it has been suggested that people taking potassium-depleting diuretics, including thiazide diuretics, should supplement both potassium and magnesium.

    People taking thiazide diuretics should be monitored by their prescribing doctor, who will prescribe potassium supplements if needed. Such supplementation is particularly critical before surgery in patients with a history of heart disease. In a preliminary study, people with low blood levels of potassium (in part related to diuretic use) had a higher incidence of serious problems resulting from surgery (including death) compared with those having normal potassium levels. A double-blind trial showed that thiazide diuretic use led to a reduction in blood levels of potassium in some participants. Those experiencing decreased potassium levels were also more likely to experience cardiovascular events, such as heart attacks, stroke, heart failure, aneurysm, and sudden cardiac death. Fruit is high in potassium, and increasing fruit intake (especially bananas) is another way of supplementing potassium.

    Magnesium supplementation for people taking thiazide diuretics is typically 300-600 mg per day, though higher amounts (over 800 mg per day) have been reported in a controlled study to reduce side effects of thiazides. Combining supplementation of both potassium and magnesium has been reported to correct abnormally low blood levels of potassium and also to protect against excessive loss of magnesium.

  • Trimethoprim

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Trimethoprim/ Sulfamethoxazole

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Triptorelin Pamoate

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Troleandomycin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Uracil Mustard

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Valrubicin

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Vancomycin

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Vancomycin in Dextrose

    Tetracycline can interfere with the activity of folic acid, potassium, and vitamin B2, vitamin B6, vitamin B12, vitamin C, and vitamin K. This is generally not a problem when taking tetracycline for two weeks or less. People taking tetracycline for longer than two weeks should ask their doctor about vitamin and mineral supplementation. Taking 500 mg vitamin C simultaneously with tetracycline was shown to increase blood levels of tetracycline in one study. The importance of this interaction is unknown.

    Taking large amounts of niacinamide, a form of vitamin B3, can suppress inflammation in the body. According to numerous preliminary reports, niacinamide, given in combination with tetracycline or minocycline, may be effective against bullous pemphigoid, a benign, autoimmune blistering disease of the skin. Preliminary evidence also suggests a similar beneficial interaction may exist between tetracycline and niacinamide in the treatment of dermatitis herpetiformis.

  • Vandetanib

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Vemurafenib

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Vinblastine

    The chemotherapy drug cisplatin may cause kidney damage, resulting in depletion of calcium and phosphate.

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Vincristine

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Vincristine Sulfate Liposomal

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

  • Vinorelbine

    The chemotherapy drug cisplatin may cause excessive loss of magnesium and potassium in the urine. Preliminary reports suggest that both potassium and magnesium supplementation may be necessary to increase low potassium levels. Severe magnesium deficiency caused by cisplatin therapy has been reported to result in seizures. Severe magnesium deficiency is a potentially dangerous medical condition that should only be treated by a doctor. People receiving cisplatin chemotherapy should ask their prescribing doctor to closely monitor magnesium and potassium status.

Reduce Side Effects

  • Digoxin

    People taking potassium-depleting diuretics may develop low potassium and magnesium blood levels. Prolonged diarrhea and vomiting might also result in low blood potassium levels. People with low potassium or magnesium blood levels who take quinidine might develop serious drug side effects. Therefore, people taking quinidine should have their blood potassium and magnesium levels checked regularly and might need to supplement with both minerals, especially when taking potassium-depleting diuretics.

  • Ipecac

    In order to lose weight, some individuals who are overly zealous, as well as those with eating disorders, occasionally induce vomiting with ipecac. However, chronic abuse of ipecac can result in low blood levels of potassium, which might result in an irregular heart rhythm. Though avoidance of this behavior is the best form of prevention, individuals who abuse ipecac should supplement with potassium or high-potassium foods to prevent potassium deficiency.

  • Thioridazine

    Some people taking thioridazine experience changes in the electrical activity of the heart, which sometimes improve with potassium supplementation. More research is needed to determine if people taking thioridazine might prevent heart problems by supplementing with potassium.

Support Medicine

  • none

Reduces Effectiveness

  • none

Potential Negative Interaction

  • Acebutolol

    Some beta-adrenergic blockers (called "nonselective" beta blockers) decrease the uptake of potassium from the blood into the cells, leading to excess potassium in the blood, a potentially dangerous condition known as hyperkalemia. People taking beta-blockers should therefore avoid taking potassium supplements, or eating large quantities of fruit (for example, bananas), unless directed to do so by their doctor.

  • Amiloride

    As a potassium-sparing drug, amiloride reduces urinary loss of potassium. This can cause potassium levels to build up in the body. People taking this drug should avoid use of potassium chloride-containing products, such as Morton Salt Substitute, No Salt, Lite Salt, and others. Even eating several pieces of fruit per day can sometimes cause problems for people taking potassium-sparing diuretics, due to the high potassium content of fruit.

    However, one medication (Moduretic) contains the combination of the potassium-sparing drug amiloride and the potassium-depleting drug hydrochlorothiazide. With the use of Moduretic, potassium excess and potassium depletion are both possible. People taking this combination drug should have their potassium levels monitored by a doctor to determine whether their potassium intake should be increased, reduced, or kept the same.

  • Amlodipine-Benazepril

    An uncommon yet potentially serious side effect of taking ACE inhibitors is increased blood potassium levels. This problem is more likely to occur in people with advanced kidney disease. Taking potassium supplements, potassium-containing salt substitutes (No Salt, Morton Salt Substitute, and others), or large amounts of high-potassium foods (including noni juice) at the same time as ACE inhibitors could cause life-threatening problems. Therefore, people should consult their healthcare practitioner before supplementing additional potassium and should have their blood levels of potassium checked periodically while taking ACE inhibitors.

  • Amlodipine-Olmesartan
    Angiotensin receptor blocker drugs such as olmesartan have caused significant increases in blood potassium levels. Potassium supplements, potassium-containing salt substitutes (No Salt, Morton Salt Substitute, and others), and even high-potassium foods (including Noni juice) should be avoided by those taking olmesartan, unless directed otherwise by their doctor.
  • Atenolol

    Some beta-adrenergic blockers (called "nonselective" beta blockers) decrease the uptake of potassium from the blood into the cells, leading to excess potassium in the blood, a potentially dangerous condition known as hyperkalemia. People taking beta-blockers should therefore avoid taking potassium supplements, or eating large quantities of fruit (for example, bananas), unless directed to do so by their doctor.

  • Azilsartan
    Angiotensin receptor blocker drugs such as azilsartan have caused significant increases in blood potassium levels. Potassium supplements, potassium-containing salt substitutes (No Salt, Morton Salt Substitute, and others), and even high-potassium foods (including Noni juice) should be avoided by those taking azilsartan, unless directed otherwise by their doctor.
  • Azilsartan Med-Chlorthalidone
    Angiotensin receptor blocker drugs such as azilsartan have caused significant increases in blood potassium levels. Potassium supplements, potassium-containing salt substitutes (No Salt, Morton Salt Substitute, and others), and even high-potassium foods (including Noni juice) should be avoided by those taking azilsartan, unless directed otherwise by their doctor.
  • Benazepril

    An uncommon yet potentially serious side effect of taking ACE inhibitors is increased blood potassium levels. This problem is more likely to occur in people with advanced kidney disease. Taking potassium supplements, potassium-containing salt substitutes (No Salt®, Morton Salt Substitute®, and others), or large amounts of high-potassium foods at the same time as ACE inhibitors could cause life-threatening problems. Therefore, people should consult their healthcare practitioner before supplementing additional potassium and should have their blood levels of potassium checked periodically while taking ACE inhibitors.

  • Betaxolol

    Some beta-adrenergic blockers (called "nonselective" beta blockers) decrease the uptake of potassium from the blood into the cells, leading to excess potassium in the blood, a potentially dangerous condition known as hyperkalemia. People taking beta-blockers should therefore avoid taking potassium supplements, or eating large quantities of fruit (e.g., bananas), unless directed to do so by their doctor.

  • Bisoprolol

    Some beta-adrenergic blockers (called "nonselective" beta blockers) decrease the uptake of potassium from the blood into the cells, leading to excess potassium in the blood, a potentially dangerous condition known as hyperkalemia. People taking beta-blockers should therefore avoid taking potassium supplements, or eating large quantities of fruit (e.g., bananas), unless directed to do so by their doctor.

  • Candesartan
    Angiotensin receptor blocker drugs such as candesartan have caused significant increases in blood potassium levels.Potassium supplements, potassium-containing salt substitutes (No Salt, Morton Salt Substitute, and others), and even high-potassium foods (including Noni juice) should be avoided by those taking candesartan, unless directed otherwise by their doctor.
  • Candesartan-Hydrochlorothiazid
    Angiotensin receptor blocker drugs such as candesartan have caused significant increases in blood potassium levels.Potassium supplements, potassium-containing salt substitutes (No Salt, Morton Salt Substitute, and others), and even high-potassium foods (including Noni juice) should be avoided by those taking candesartan, unless directed otherwise by their doctor.
  • Captopril

    An uncommon yet potentially serious side effect of taking ACE inhibitors is increased blood potassium levels. This problem is more likely to occur in people with advanced kidney disease. Taking potassium supplements, potassium-containing salt substitutes (No Salt®, Morton Salt Substitute®, and others), or large amounts of high-potassium foods at the same time as ACE inhibitors could cause life-threatening problems. Therefore, individuals should consult their healthcare practitioner before supplementing additional potassium and should have their blood levels of potassium checked periodically while taking ACE inhibitors.

  • Carteolol

    Some beta-adrenergic blockers (called "nonselective" beta blockers) decrease the uptake of potassium from the blood into the cells, leading to excess potassium in the blood, a potentially dangerous condition known as hyperkalemia. People taking beta-blockers should therefore avoid taking potassium supplements, or eating large quantities of fruit (e.g., bananas), unless directed to do so by their doctor.

  • Cyclosporine

    Cyclosporine can cause excess retention of potassium, potentially leading to dangerous levels of the mineral in the blood (hyperkalemia). Potassium supplements, potassium-containing salt substitutes (No Salt, Morton Salt Substitute, and others), and even high-potassium foods (primarily fruit) should be avoided by people taking cyclosporine, unless directed otherwise by their doctor.

  • Enalapril

    An uncommon yet potentially serious side effect of taking ACE inhibitors is increased blood potassium levels. This problem is more likely to occur in people with advanced kidney disease. Taking potassium supplements, potassium-containing salt substitutes (No Salt, Morton Salt Substitute, and others), or large amounts of high-potassium foods at the same time as ACE inhibitors could cause life-threatening problems. Therefore, people should consult their healthcare practitioner before supplementing additional potassium and should have their blood levels of potassium checked periodically while taking ACE inhibitors.

  • Eprosartan
    Angiotensin receptor blocker drugs such as eprosartan have caused significant increases in blood potassium levels. Potassium supplements, potassium-containing salt substitutes (No Salt, Morton Salt Substitute, and others), and even high-potassium foods (including Noni juice) should be avoided by those taking eprosartan, unless directed otherwise by their doctor.
  • Eprosartan-Hydrochlorothiazide
    Angiotensin receptor blocker drugs such as eprosartan have caused significant increases in blood potassium levels. Potassium supplements, potassium-containing salt substitutes (No Salt, Morton Salt Substitute, and others), and even high-potassium foods (including Noni juice) should be avoided by those taking eprosartan, unless directed otherwise by their doctor.
  • Esmolol

    Some beta-adrenergic blockers (called "nonselective" beta blockers) decrease the uptake of potassium from the blood into the cells, leading to excess potassium in the blood, a potentially dangerous condition known as hyperkalemia. People taking beta-blockers should therefore avoid taking potassium supplements, or eating large quantities of fruit (e.g., bananas), unless directed to do so by their doctor.

  • Fosinopril

    An uncommon yet potentially serious side effect of taking ACE inhibitors is increased blood potassium levels. This problem is more likely to occur in people with advanced kidney disease. Taking potassium supplements, potassium-containing salt substitutes (No Salt®, Morton Salt Substitute®, and others), or large amounts of high-potassium foods at the same time as taking ACE inhibitors could cause life-threatening problems. Therefore, people should consult their healthcare practitioner before supplementing additional potassium and should have their blood levels of potassium checked periodically while taking ACE inhibitors.

  • Indomethacin

    Indomethacin may cause elevated blood potassium levels in people with normal and abnormal kidney function. Until more is known, people taking indomethacin should not supplement potassium without medical supervision.

  • Irbesartan
    Angiotensin receptor blocker drugs such as irbesartan have caused significant increases in blood potassium levels. Potassium supplements, potassium-containing salt substitutes (No Salt, Morton Salt Substitute, and others), and even high-potassium foods (including Noni juice) should be avoided by those taking irbesartan, unless directed otherwise by their doctor.
  • Irbesartan-Hydrochlorothiazide
    Angiotensin receptor blocker drugs such as irbesartan have caused significant increases in blood potassium levels. Potassium supplements, potassium-containing salt substitutes (No Salt, Morton Salt Substitute, and others), and even high-potassium foods (including Noni juice) should be avoided by those taking irbesartan, unless directed otherwise by their doctor.
  • Ketorolac

    A 50-year-old male developed high blood levels of potassium following eight days of ketorolac treatment. Additional research is needed to determine whether taking ketorolac together with supplemental potassium might enhance this side effect. individuals taking oral ketorolac should probably avoid potassium supplements and salt substitutes until more information is available.

  • Labetalol

    Three kidney transplant patients developed hyperkalemia (high blood potassium levels), a potentially dangerous condition, following intravenous administration of labetalol. Additional research is needed to determine whether taking oral labetalol together with potassium supplements might also lead to elevated blood levels of potassium. However, some other beta-blockers (called "nonselective" beta-blockers) are known to decrease the uptake of potassium from the blood into the cells, leading to hyperkalemia. People taking beta-blockers should therefore avoid taking potassium supplements, or eating large quantities of fruit (e.g., bananas), unless directed to do so by their doctor.

  • Levobunolol

    Some beta-adrenergic blockers (called "nonselective" beta blockers) decrease the uptake of potassium from the blood into the cells, leading to excess potassium in the blood, a potentially dangerous condition known as hyperkalemia. People taking beta-blockers should therefore avoid taking potassium supplements, or eating large quantities of fruit (e.g., bananas), unless directed to do so by their doctor.

  • Lisinopril

    A potentially serious side effect of taking ACE inhibitors is increased blood potassium levels. This problem is more likely to occur in people with advanced kidney disease. Taking potassium supplements, potassium-containing salt substitutes (No Salt®, Morton Salt Substitute®, and others), or large amounts of high-potassium foods (including noni juice) at the same time as ACE inhibitors could cause life-threatening problems. Therefore, people should consult their healthcare practitioner before supplementing additional potassium and should have their blood levels of potassium checked periodically while taking ACE inhibitors.

  • Losartan
    Losartan has caused significant increases in blood potassium levels. Potassium supplements, potassium-containing salt substitutes (No Salt, Morton Salt Substitute, and others), and even high-potassium foods (including Noni juice) should be avoided by those taking losartan, unless directed otherwise by their doctor.
  • Moexipril

    An uncommon yet potentially serious side effect of taking ACE inhibitors is increased blood potassium levels. This problem is more likely to occur in people with advanced kidney disease. Taking potassium supplements, potassium-containing salt substitutes (No Salt, Morton Salt Substitute, and others), or large amounts of high-potassium foods (such as bananas and other fruit) at the same time as taking ACE inhibitors could cause life-threatening problems. Therefore, people should consult their healthcare practitioner before supplementing additional potassium and should have their blood levels of potassium checked periodically while taking ACE inhibitors.

  • Nadolol

    People taking nadolol may experience significant increases in blood levels of potassium, though it is unknown whether supplementation with potassium might enhance this effect. People taking beta-blockers should therefore avoid taking potassium supplements, or eating large quantities of high-potassium foods, such as fruit (e.g., bananas), unless directed to do so by their doctor.

  • Nebivolol

    Some beta-adrenergic blockers (called "nonselective" beta blockers) decrease the uptake of potassium from the blood into the cells, leading to excess potassium in the blood, a potentially dangerous condition known as hyperkalemia. People taking beta-blockers should therefore avoid taking potassium supplements, or eating large quantities of fruit (e.g., bananas), unless directed to do so by their doctor.

  • Olmesartan
    Angiotensin receptor blocker drugs such as olmesartan have caused significant increases in blood potassium levels. Potassium supplements, potassium-containing salt substitutes (No Salt, Morton Salt Substitute, and others), and even high-potassium foods (including Noni juice) should be avoided by those taking olmesartan, unless directed otherwise by their doctor.
  • Olmesartan-Amlodipine-Hctz
    Angiotensin receptor blocker drugs such as olmesartan have caused significant increases in blood potassium levels. Potassium supplements, potassium-containing salt substitutes (No Salt, Morton Salt Substitute, and others), and even high-potassium foods (including Noni juice) should be avoided by those taking olmesartan, unless directed otherwise by their doctor.
  • Olmesartan-Hydrochlorothiazide
    Angiotensin receptor blocker drugs such as olmesartan have caused significant increases in blood potassium levels. Potassium supplements, potassium-containing salt substitutes (No Salt, Morton Salt Substitute, and others), and even high-potassium foods (including Noni juice) should be avoided by those taking olmesartan, unless directed otherwise by their doctor.
  • Penbutolol

    Some beta-adrenergic blockers (called "nonselective" beta blockers) decrease the uptake of potassium from the blood into the cells, leading to excess potassium in the blood, a potentially dangerous condition known as hyperkalemia. People taking beta-blockers should therefore avoid taking potassium supplements, or eating large quantities of fruit (e.g., bananas), unless directed to do so by their doctor.

  • Perindopril

    An uncommon yet potentially serious side effect of taking ACE inhibitors is increased blood potassium levels. This problem is more likely to occur in people with advanced kidney disease. Taking potassium supplements, potassium-containing salt substitutes (No Salt, Morton Salt Substitute, and others), or large amounts of high-potassium foods (such as bananas and other fruit) at the same time as taking ACE inhibitors could cause life-threatening problems. Therefore, people should consult their healthcare practitioner before supplementing additional potassium and should have their blood levels of potassium checked periodically while taking ACE inhibitors.

  • Pindolol

    Some beta-adrenergic blockers (called "nonselective" beta blockers) decrease the uptake of potassium from the blood into the cells, leading to excess potassium in the blood, a potentially dangerous condition known as hyperkalemia. People taking beta-blockers should therefore avoid taking potassium supplements, or eating large quantities of fruit (e.g., bananas), unless directed to do so by their doctor.

  • Piroxicam

    An 85-year-old man developed higher than normal blood levels of potassium following several months of treatment with piroxicam. Until more is known, people taking piroxicam for long periods should have their blood checked regularly for high potassium levels and may need to avoid high potassium intake with the guidance of a health practitioner.

  • Propranolol

    Some beta-adrenergic blockers (called "nonselective" beta blockers) decrease the uptake of potassium from the blood into the cells, leading to excess potassium in the blood, a potentially dangerous condition known as hyperkalemia. People taking beta-blockers should therefore avoid taking potassium supplements, or eating large quantities of fruit (e.g., bananas), unless directed to do so by their doctor.

  • Quinapril

    An uncommon yet potentially serious side effect of taking ACE inhibitors is increased blood potassium levels. This problem is more likely to occur in people with advanced kidney disease. Taking potassium supplements, potassium-containing salt substitutes (No Salt®, Morton Salt Substitute®, and others), or large amounts of high-potassium foods (including noni juice) at the same time as taking ACE inhibitors could cause life-threatening problems. Therefore, people should consult their healthcare practitioner before supplementing additional potassium and should have their blood levels of potassium checked periodically while taking ACE inhibitors.

  • Ramipril

    An uncommon yet potentially serious side effect of taking ACE inhibitors is increased blood potassium levels. This problem is more likely to occur in people with advanced kidney disease. Taking potassium supplements, potassium-containing salt substitutes (No Salt®, Morton Salt Substitute®, and others), or large amounts of high-potassium foods (including noni juice) at the same time as ACE inhibitors could cause life-threatening problems. Therefore, people should consult their healthcare practitioner before supplementing additional potassium and should have their blood levels of potassium checked periodically while taking ACE inhibitors.

  • Spironolactone

    As a potassium-sparing diuretic, spironolactone reduces urinary loss of potassium, which can lead to elevated potassium levels. People taking spironolactone should avoid potassium supplements, potassium-containing salt substitutes (Morton Salt Substitute, No Salt, Lite Salt, and others), and even high-potassium foods (primarily fruit). Doctors should monitor potassium blood levels in patients taking spironolactone to prevent problems associated with elevated potassium levels.

    However, one medication (Aldactazide) contains the combination of the potassium-sparing drug spironolactone and the potassium-depleting drug hydrochlorothiazide. With the use of Aldactazide, potassium excess and potassium depletion are both possible. People taking this combination drug should have their potassium levels monitored by a doctor to determine whether their potassium intake should be increased, reduced, or kept the same.

  • Sulfadiazine

    The combination drug trimethoprim/sulfamethoxazole (TMP/SMX) has been reported to elevate blood potassium and other constituents of blood (creatine and BUN). In particular, people with impaired kidney function should be closely monitored by their prescribing doctor for these changes. People taking trimethoprim or TMP/SMX should talk with the prescribing doctor before taking any potassium supplements or potassium-containing products, such as No Salt, Salt Substitute, Lite Salt, and even high-potassium foods (primarily fruit).

  • Sulfamethoxazole

    The combination drug trimethoprim/sulfamethoxazole (TMP/SMX) has been reported to elevate blood potassium and other constituents of blood (creatine and BUN). In particular, people with impaired kidney function should be closely monitored by their prescribing doctor for these changes. People taking trimethoprim or TMP/SMX should talk with the prescribing doctor before taking any potassium supplements or potassium-containing products, such as No Salt, Salt Substitute, Lite Salt, and even high-potassium foods (primarily fruit).

  • Sulfisoxazole

    The combination drug trimethoprim/sulfamethoxazole (TMP/SMX) has been reported to elevate blood potassium and other constituents of blood (creatine and BUN). In particular, people with impaired kidney function should be closely monitored by their prescribing doctor for these changes. People taking trimethoprim or TMP/SMX should talk with the prescribing doctor before taking any potassium supplements or potassium-containing products, such as No Salt, Salt Substitute, Lite Salt, and even high-potassium foods (primarily fruit).

  • Sulindac

    Four people who took sulindac developed high blood levels of potassium, which returned to normal within a few days after the drug was stopped. Controlled research is needed to determine whether potassium supplements or a high potassium diet might aggravate this problem. Until more information is available, people taking sulindac and potassium supplements, potassium containing salt substitutes, or large amounts of fruits and vegetables should have potassium blood levels checked regularly by their doctor.

  • Telmisartan
    Angiotensin receptor blocker drugs such as telmisartan have caused significant increases in blood potassium levels. Potassium supplements, potassium-containing salt substitutes (No Salt, Morton Salt Substitute, and others), and even high-potassium foods (including Noni juice) should be avoided by those taking telmisartan, unless directed otherwise by their doctor.
  • Telmisartan-Amlodipine
    Angiotensin receptor blocker drugs such as telmisartan have caused significant increases in blood potassium levels. Potassium supplements, potassium-containing salt substitutes (No Salt, Morton Salt Substitute, and others), and even high-potassium foods (including Noni juice) should be avoided by those taking telmisartan, unless directed otherwise by their doctor.
  • Telmisartan-Hydrochlorothiazid
    Angiotensin receptor blocker drugs such as telmisartan have caused significant increases in blood potassium levels. Potassium supplements, potassium-containing salt substitutes (No Salt, Morton Salt Substitute, and others), and even high-potassium foods (including Noni juice) should be avoided by those taking telmisartan, unless directed otherwise by their doctor.
  • Timolol

    Some beta-adrenergic blockers (called "nonselective" beta blockers) decrease the uptake of potassium from the blood into the cells, leading to excess potassium in the blood, a potentially dangerous condition known as hyperkalemia. People taking beta-blockers should therefore avoid taking potassium supplements, or eating large quantities of fruit (e.g., bananas), unless directed to do so by their doctor.

  • Trandolapril

    An uncommon yet potentially serious side effect of taking ACE inhibitors is increased blood potassium levels. This problem is more likely to occur in people with advanced kidney disease. Taking potassium supplements, potassium-containing salt substitutes (No Salt, Morton Salt Substitute, and others), or large amounts of high-potassium foods (such as bananas and other fruit) at the same time as taking ACE inhibitors could cause life-threatening problems. Therefore, people should consult their healthcare practitioner before supplementing additional potassium and should have their blood levels of potassium checked periodically while taking ACE inhibitors.

  • Triamterene

    As a potassium-sparing drug, triamterene reduces urinary loss of potassium, which can lead to elevated potassium levels. People taking triamterene should avoid potassium supplements, potassium-containing salt substitutes (Morton Salt Substitute, No Salt, Lite Salt, and others) and even high-potassium foods (primarily fruit). Doctors should monitor potassium blood levels in patients taking triamterene to prevent problems associated with elevated potassium levels.

    However, some medications (for example, Dyazide, Maxzide) contain the combination of the potassium-sparing drug triamterene and the potassium-depleting drug hydrochlorothiazide. With the use of these combination medications, potassium excess and potassium depletion are both possible. People taking these drugs should have their potassium levels monitored by a doctor to determine whether their potassium intake should be increased, reduced, or kept the same.

  • Trimethoprim

    The combination drug trimethoprim/sulfamethoxazole (TMP/SMX) has been reported to elevate blood potassium and other constituents of blood (creatine and BUN). In particular, people with impaired kidney function should be closely monitored by their prescribing doctor for these changes. People taking trimethoprim or TMP/SMX should talk with the prescribing doctor before taking any potassium supplements or potassium-containing products, such as No Salt, Salt Substitute, Lite Salt, and even high-potassium foods (primarily fruit).

  • Trimethoprim/ Sulfamethoxazole

    TMP/SMX has been reported to increase blood potassium to levels above the normal range in some patients, particularly those with impaired kidney function. People who have been prescribed TMP/SMX should ask their doctor whether they should avoid potassium supplements, potassium-containing salt substitutes (No Salt, Morton Salt Substitute, and others), and high-potassium foods (primarily fruit).

  • Valsartan
    Angiotensin receptor blocker drugs such as valsartan have caused significant increases in blood potassium levels. Potassium supplements, potassium-containing salt substitutes (No Salt, Morton Salt Substitute, and others), and even high-potassium foods (including Noni juice) should be avoided by those taking valsartan, unless directed otherwise by their doctor.
  • Valsartan-Hydrochlorothiazide
    Angiotensin receptor blocker drugs such as valsartan have caused significant increases in blood potassium levels. Potassium supplements, potassium-containing salt substitutes (No Salt, Morton Salt Substitute, and others), and even high-potassium foods (including Noni juice) should be avoided by those taking valsartan, unless directed otherwise by their doctor.

Explanation Required

  • Celecoxib

    Controlled studies indicate that individuals on low-salt diets who take celecoxib retain sodium and potassium, which might result in higher than normal blood levels of these minerals. More research is needed to determine whether potassium supplements might produce unwanted side effects in people taking celecoxib. Until more information is available, people taking celecoxib should have their sodium and potassium blood levels monitored by their healthcare practitioner.

  • Digoxin

    Medical doctors prescribing digoxin also check for potassium depletion and prescribe potassium supplements if needed. Potassium transport from the blood into cells is impaired by digoxin. Although digoxin therapy does not usually lead to excess potassium in the blood (hyperkalemia), an overdose of digoxin could cause a potentially fatal hyperkalemia. People taking digoxin should therefore avoid taking potassium supplements, or eating large quantities of fruit (e.g., bananas), unless directed to do so by their doctor. On the other hand, many people taking digoxin are also taking a diuretic; in these individuals, increased intake of potassium may be needed. These issues should be discussed with a doctor.

  • Epinephrine

    Intravenous administration of epinephrine to human volunteers reduced plasma concentrations of vitamin C. Epinephrine and other "stress hormones" may reduce intracellular concentrations of potassium and magnesium. Although there are no clinical studies in humans, it seems reasonable that individuals using epinephrine should consume a diet high in vitamin C, potassium, and magnesium, or should consider supplementing with these nutrients.

  • Etodolac

    NSAIDs have caused kidney dysfunction and increased blood potassium levels, especially in older people. People taking NSAIDs, including etodolac, should not supplement potassium without consulting with their doctor.

  • Haloperidol

    Haloperidol may cause hyperkalemia (high blood levels of potassium) or hypokalemia (low blood levels of potassium). The incidence and severity of these changes remains unclear. Serum potassium can be measured by any doctor.

  • Haloperidol Decanoate

    Haloperidol may cause hyperkalemia (high blood levels of potassium) or hypokalemia (low blood levels of potassium). The incidence and severity of these changes remains unclear. Serum potassium can be measured by any doctor.

  • Heparin

    Heparin therapy may cause hyperkalemia (abnormally high potassium levels). Potassium supplements, potassium-containing salt substitutes (No Salt®, Morton Salt Substitute®, and others), and even high-potassium foods (primarily fruit) should be avoided by persons on heparin therapy, unless directed otherwise by their doctor.

  • Ibuprofen

    Ibuprofen has caused kidney dysfunction and increased blood potassium levels, especially in older people. People taking ibuprofen should not supplement potassium without consulting with their doctor.

  • Magnesium Hydroxide

    Individuals taking potassium-depleting diuretics and those who are otherwise at risk of developing potassium deficiency (such as people with chronic diarrhea or vomiting) may experience a fall in serum potassium levels if they take magnesium without taking additional potassium. This could lead to muscle cramps or, in individuals taking digoxin or digitalis, more serious problems such as cardiac arrhythmias. Individuals who have a history of potassium deficiency and those who are at risk of developing potassium deficiency, as well as people taking digoxin or digitalis, should consult a physician before taking magnesium-containing products.

  • Metoprolol

    Some beta-adrenergic blockers (called "nonselective" beta blockers) decrease the uptake of potassium from the blood into the cells, leading to excess potassium in the blood, a potentially dangerous condition known as hyperkalemia. People taking beta-blockers should therefore avoid taking potassium supplements, or eating large quantities of fruit (e.g., bananas), unless directed to do so by their doctor.

  • Nabumetone

    NSAIDs have caused kidney dysfunction and increased blood potassium levels, especially in older people. People taking NSAIDs, including nabumetone, should not supplement potassium without consulting with their doctor.

  • Naproxen

    Naproxen has caused kidney problems and increased blood potassium levels, especially in older people. People taking naproxen should not supplement potassium without consulting with their doctor.

  • Oxaprozin

    NSAIDs have caused kidney dysfunction and increased blood potassium levels, especially in older people. People taking NSAIDs, including oxaprozin, should not supplement potassium without consulting with their doctor.

  • Senna

    Overuse or misuse of laxatives, including senna, can cause water, sodium, and potassium depletion. To avoid depletion problems, people should limit laxative use, including senna, to one week or less.

  • Sotalol

    People with prolonged diarrhea and vomiting, as well as those taking potassium-depleting diuretics, might develop low blood potassium levels. Individuals with low blood potassium levels who take sotalol have an increased risk of developing a serious heart arrhythmia and fainting. Therefore, people taking sotalol should have their blood potassium levels checked regularly and may need to supplement with potassium, especially when taking potassium-depleting diuretics.

    Some beta-adrenergic blockers (called "nonselective" beta blockers) decrease the uptake of potassium from the blood into the cells, leading to excess potassium in the blood, a potentially dangerous condition known as hyperkalemia. People taking beta-blockers should therefore avoid taking potassium supplements, or eating large quantities of fruit (e.g., bananas), unless directed to do so by their doctor.

The Drug-Nutrient Interactions table may not include every possible interaction. Taking medicines with meals, on an empty stomach, or with alcohol may influence their effects. For details, refer to the manufacturers' package information as these are not covered in this table. If you take medications, always discuss the potential risks and benefits of adding a supplement with your doctor or pharmacist.

Side Effects

Side Effects

High potassium intake (several hundred milligrams at one time in tablet form) can produce stomach irritation. People using potassium-sparing drugs should avoid using potassium chloride-containing products, such as Morton Salt Substitute, No Salt, Lite Salt, and others and should not take potassium supplements, except under the supervision of a doctor. Even eating several pieces of fruit each day can sometimes cause problems for people taking potassium-sparing drugs, due to the high potassium content of fruit.

References

1. Gaby, AR. Nutritional Medicine. Concord, NH: Fritz Perlberg Publishing, 2011.