doxylamine
Pronunciation: dox IL a meen Brand: Nytol Maximum Strength, Unisom What is the most important information I should know about doxylamine?
Before using doxylamine, tell your doctor if you have glaucoma, kidney disease, an enlarged prostate, problems with urination, a stomach ulcer or obstruction, or a chronic lung disease such as bronchitis or emphysema.
Use this medication as directed on the label, or as your doctor has prescribed. Do not use the medication in larger amounts or for longer than recommended.
Do not give this medicine to a child younger than 12 years old without the advice of a doctor. If you miss a dose, take it as soon as you remember. It is best to take doxylamine only when you can devote several hours to sleep. If it is almost your normal waking hour, skip the missed dose and wait until you are ready for bed again. Do not use extra medicine to make up the missed dose.
There may be other drugs that can interact with doxylamine. Tell your doctor about all your prescription and over-the-counter medications, vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start a new medication without telling your doctor.
Get emergency medical help if you think you have used too much medicine, or if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Less serious side effects are more likely, and you may have none at all. Tell your doctor about any unusual or bothersome side effects.
Avoid drinking alcohol while you are taking this medication. It can add to drowsiness caused by an antihistamine. What is doxylamine?
Doxylamine is an antihistamine that reduces the natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose.
Doxylamine is sometimes combined with other medicines to treat sneezing, itching, watery eyes, and runny nose caused by allergies or the common cold.
Doxylamine as a single drug (not part of a combination) is used as a short-term treatment for sleep problems (insomnia).
Doxylamine may also be used for purposes other than those listed in this medication guide.
What should I discuss with my health care provider before taking doxylamine?
Do not take this medication if you are allergic to doxylamine or other antihistamines. Before using doxylamine, tell your doctor if you are allergic to any drugs, or if you have:
- glaucoma;
- kidney disease;
- an enlarged prostate;
- problems with urination;
- stomach ulcer or digestive tract obstruction; or
- bronchitis, emphysema or other chronic lung disease.
FDA pregnancy category B. This medication is not expected to be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment.
This medication may pass into breast milk and could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.
Do not give this medicine to a child younger than 12 years old without the advice of a doctor. How should I take doxylamine?
Use this medication exactly as directed on the label, or as prescribed by your doctor. Do not use it in larger amounts or for longer than recommended.
Take this medicine with food or milk if it upsets your stomach. To treat insomnia, doxylamine is usually taken within 30 minutes of bedtime. Follow your doctor's instructions.
Talk with your doctor if your sleep problems do not improve after 2 weeks of treatment.
This medication can cause you to have unusual results with allergy skin tests. Tell any doctor who treats you that you are taking an antihistamine.
Store doxylamine at room temperature away from moisture and heat. What happens if I miss a dose?
If you miss a dose, take it as soon as you remember. It is best to take doxylamine only when you can devote several hours to sleep. If it is almost your normal waking hour, skip the missed dose and wait until you are ready for bed again. Do not take extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention if you think you have used too much of this medicine. Overdose symptoms may include extreme drowsiness, loss of coordination, dry mouth, or seizure (convulsions).
What should I avoid while taking doxylamine?
Do not use any other over-the-counter cold, allergy, or sleep medication without first asking your doctor or pharmacist. Antihistamines are contained in many medicines available over the counter. If you take certain products together you may accidentally take too much antihistamine. Read the label of any other medicine you are using to see if it contains an antihistamine such as doxylamine, chlorpheniramine or diphenhydramine.
This medication can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert. Avoid becoming overheated or dehydrated during exercise and in hot weather.
Avoid drinking alcohol while you are taking this medication. Alcohol can add to drowsiness caused by an antihistamine. What are the possible side effects of doxylamine?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have any of these serious side effects:
- fast, pounding, or uneven heartbeat;
- confusion, hallucinations, unusual thoughts or behavior;
- severe dizziness, anxiety, restless feeling, or nervousness;
- urinating less than usual or not at all;
- easy bruising or bleeding, unusual weakness, fever, chills, body aches, flu symptoms; or
Keep using the medication and talk with your doctor if you have any of these less serious side effects:
- blurred vision;
- dry mouth;
- nausea, stomach pain, constipation;
- dizziness, drowsiness;
- problems with memory or concentration;
- ringing in your ears;
- restless or excitability (especially in children);
What other drugs will affect doxylamine?
Cold or allergy medicine, narcotic pain medicine, other sleeping pills, muscle relaxers, and medicine for seizures, depression or anxiety can add to sleepiness caused by doxylamine. Tell your doctor if you need to use any of these other medicines while you are taking doxylamine. Before taking this medication, tell your doctor if you are using any of the following drugs:
- a diuretic (water pill);
- diphenhydramine (Benadryl) applied to the skin as a spray, cream, lotion, gel, or stick;
- bronchodilators such as ipratroprium (Atrovent) or tiotropium (Spiriva);
- medication to treat irritable bowel syndrome;
- bladder or urinary medications such as oxybutynin (Ditropan, Oxytrol) or tolterodine (Detrol);
- aspirin or salicylates (such as Disalcid, Doan's Pills, Dolobid, Salflex, Tricosal, and others); or
- other antihistamines, or medicine to treat motion sickness.
If you are using any of these drugs, you may not be able to use doxylamine, or you may need dosage adjustments or special tests during treatment.
This list is not complete and there may be other drugs that can interact with doxylamine. Tell your doctor about all your prescription and over-the-counter medications, vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start a new medication without telling your doctor.
Where can I get more information?
Your pharmacist can provide more information about doxylamine.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.
Copyright 1996-2003 Cerner Multum, Inc. Version: 1.01. Revision date: 08/13/2007.
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