Diphenhydramine (By mouth)
Health Guide
Drug Guide

Diphenhydramine (By mouth)

Diphenhydramine (dye-fen-HYE-dra-meen)

Treats hay fever, allergy, and cold symptoms. Also treats insomnia.

Brand Name(s):

Aller-G-Time, Allergy Relief, Allermax, Anti-Hist, Banophen, Benadryl Allergy, Children's Allergy, Children's Benadryl Allergy, Children's Wal-Dryl Allergy, Complete Allergy, Complete Allergy Medicine, Diphen, Diphenhist, Dormin Sleep Aid, Equate Allergy Relief

There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

You should not use this medicine if you have ever had an allergic reaction to diphenhydramine. This medicine should not be given to women who are breast feeding. Do not give any over-the-counter (OTC) cough and cold medicine to a baby or child under 4 years old. Using these medicines in very young children might cause serious or possibly life-threatening side effects.

How to Use This Medicine:

Capsule, Thin Sheet, Dissolving Tablet, Tablet, Liquid, Liquid Filled Capsule, Chewable Tablet

If a dose is missed:

How to Store and Dispose of This Medicine:

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

Warnings While Using This Medicine:

Possible Side Effects While Using This Medicine:

Call your doctor right away if you notice any of these side effects:

If you notice these less serious side effects, talk with your doctor:

If you notice other side effects that you think are caused by this medicine, tell your doctor

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088

Last Updated: 12/12/2016

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