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Cyclosporine Modified

Drug Information

Summary of Interactions with Vitamins, Herbs, & Foods

Types of interactions: Beneficial Adverse Check

Replenish Depleted Nutrients

  • Magnesium

    Cyclosporine has been associated with low blood magnesium levels and undesirable side effects. Some doctors suggest monitoring the level of magnesium in red blood cells, rather than in serum, as the red blood cell test may be more sensitive for evaluating magnesium status.

Reduce Side Effects

  • Ginkgo

    Ginkgo was reported to protect liver cells from damage caused by cyclosporine in a test tube experiment. A Ginkgo biloba extract partially reversed cyclosporine-induced reduced kidney function in a study of isolated rat kidneys. Human trials have not studied the actions of ginkgo to prevent or reduce the side effects of cyclosporine.

    The interaction is supported by preliminary, weak, fragmentary, and/or contradictory scientific evidence.
  • Omega-3 Fatty Acids

    Several studies have shown that in organ transplant patients treated with cyclosporine, addition of 4–6 grams per day of omega-3 fatty acids from fish oil helped reduce high blood pressure, though not every study has found fish oil helpful. It remains unclear to what extent fish oil supplementation will help people with high blood pressure taking cyclosporine following organ transplant.

    The interaction is supported by preliminary, weak, fragmentary, and/or contradictory scientific evidence.

Support Medicine

  • Vitamin E

    Twenty-six liver transplant patients (both adults and children) unable to achieve or maintain therapeutic cyclosporine blood levels during the early post-transplant period were given water-soluble vitamin E in the amount of 6.25 IU/2.2 pounds of body weight two times per day. Addition of vitamin E in the early post-transplant period reduced the required amount of cyclosporine and the cost of cyclosporine therapy by 26%. These results imply that the addition of vitamin E to established cyclosporine therapy allows for a decrease in the amount of cyclosporine. Combining vitamin E and cyclosporine requires medical supervision to avoid cyclosporine toxicity.

    The interaction is supported by preliminary, weak, fragmentary, and/or contradictory scientific evidence.

Reduces Effectiveness

  • Chinese Scullcap

    In a study in rats, oral administration of Chinese scullcap at the same time as cyclosporine significantly reduced the absorption of cyclosporine. Chinese scullcap did not interfere with the availability of cyclosporine when cyclosporine was given intravenously. Because of the potential adverse interaction, people taking cyclosporine should not take Chinese scullcap.

  • St. John’s Wort

    Pharmacological research from Europe suggests that St. John’s wort (Hypericum perforatum)may reduce plasma levels of cyclosporine. Two case reports also describe heart transplant patients taking cyclosporine who showed signs of acute transplant rejection after taking St. John’s wort extract. In both cases, reduced plasma concentrations of cyclosporine were found. One report cites similar findings in three patients taking cyclosporine and St. John’s wort together. Finally, similar drops in cyclosporine blood levels were reported in 45 kidney or liver transplant patients who began taking St. John’s wort. Until more is known, people taking cyclosporine should avoid the use of St. John’s wort.

    The interaction is supported by preliminary, weak, fragmentary, and/or contradictory scientific evidence.

Potential Negative Interaction

  • Potassium

    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.

Explanation Required 

  • Mixing Sandimmune solution with room-temperature milk, chocolate milk, orange juice, or apple juice may improve its flavor.

    Mixing Neoral solution with room temperature orange or apple juice may improve its flavor, but combining it with milk makes an unpalatable mix.

  • In a randomized study of nine adults with cyclosporine-treated autoimmune diseases, grapefruit juice (5 ounces two times per day with cyclosporine, for ten days) caused a significant increase in cyclosporine blood levels compared with cyclosporine with water. The rise in cyclosporine blood levels was associated with abdominal pain, lightheadedness, nausea, and tremor in one patient. A similar interaction between grapefruit juice and cyclosporine has been observed in healthy volunteers. Using grapefruit juice to reduce the amount of cyclosporine needed has not been sufficiently studied and cannot therefore be counted on to produce a predictable change in cyclosporine requirements. The same effects might be seen from eating grapefruit as from drinking its juice.

  • Mixing Sandimmune solution with room-temperature milk, chocolate milk, orange juice, or apple juice may improve its flavor.

    Mixing Neoral solution with room temperature orange or apple juice may improve its flavor, but combining it with milk makes an unpalatable mix.

  • Mixing Sandimmune solution with room-temperature milk, chocolate milk, orange juice, or apple juice may improve its flavor.

    Mixing Neoral solution with room temperature orange or apple juice may improve its flavor, but combining it with milk makes an unpalatable mix.

  • Quercetin

    In an animal study, oral administration of quercetin (50 mg per 2.2 pounds of body weight) at the same time as cyclosporine decreased the absorption of cyclosporine by 43%. However, in a study of healthy human volunteers, supplementing with quercetin along with cyclosporine significantly increased blood levels of cyclosporine, when compared with administering cyclosporine alone. Because the effect of quercetin supplementation on cyclosporine absorption or utilization appears to be unpredictable, individuals taking cyclosporine should not take quercetin without the supervision of a doctor.

  • Pomegranate juice has been shown to inhibit the same enzyme that is inhibited by grapefruit juice. The degree of inhibition is about the same for each of these juices. Therefore, it would be reasonable to expect that pomegranate juice might interact with cyclosporine in the same way that grapefruit juice does.

    The interaction is supported by preliminary, weak, fragmentary, and/or contradictory scientific evidence.
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 new supplement with your doctor or pharmacist.

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