Doxylamine is a medication that helps you go to sleep. It’s an antihistamine tablet that treats insomnia. Insomnia makes it difficult to fall asleep, stay asleep or get enough restful sleep. The brand name of this medication is Unisom®.
DOXYLAMINE (dox IL a meen) treats occasional insomnia. It helps you go to sleep. It belongs to a group of medications called antihistamines.
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
COMMON BRAND NAME(S): Unisom
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They need to know if you have any of these conditions:
Take this medication by mouth with a glass of water. Follow the directions on the package or prescription label. Take this medication 30 minutes before you go to bed. Do not take it more often than directed.
Talk to your care team about the use of this medication in children. While this medication may be prescribed for children as young as 12 years old for selected conditions, precautions do apply.
Patients over 65 years old may have a stronger reaction and need a smaller dose.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
See your care team if you need to use this sleep aid for more than 2 weeks.
Your mouth may get dry. Chewing sugarless gum or sucking hard candy, and drinking plenty of water may help. Contact your care team if the problem does not go away or is severe.
This medication may cause dry eyes and blurred vision. If you wear contact lenses you may feel some discomfort. Lubricating drops may help. See your care team if the problem does not go away or is severe.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medication affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol may interfere with the effect of this medication. Avoid alcoholic drinks.
Side effects that you should report to your care team as soon as possible:
Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):
This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Keep out of the reach of children.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Do not freeze. Protect from light. Throw away any unused medication after the expiration date.
NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.
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Note: Introduction and Frequently Asked Questions written and medically approved by Cleveland Clinic professionals.