Diphenhydramine (Benadryl, Unisom, and others)

Find patient medical information for Diphenhydramine (Benadryl, Unisom, and others) on WebMD including its uses , side effects and safety, interactions, pictures, warnings, and user ratings

Diphenhydramine is an antihistamine used to treat sneezing, runny nose, itching, hives and other symptoms of allergies and the common cold. Includes diphenhydramine side effects , interactions and indications.
Key Details About Diphenhydramine Side Effects Information For Use

tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking or plan to take while taking diphenhydramine . Your doctor may need to change the doses of your medications or monitor you carefully for side effects .
NHS medicines information on side effects of diphenhydramine and what you can do to cope.

Useful Notes on Diphenhydramine Side Effects Information For Use
Diphenhydramine is a prescription medication used to treat the symptoms of an allergic reaction, insomnia, cough, motion sickness, and parkinsonism. Learn about side effects , dosages, drug interactions, warnings, and more.
Diphenhydramine also crosses the blood-brain barrier, causing sedation, which makes it useful as a sleep aid and for motion sickness. Learn about diphenhydramine uses , dosage, side effects , contraindications, and safety in this complete guide.

Benadryl (Diphenhydramine)
Benadryl ( Diphenhydramine ) may treat, side effects , dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources.
Diphenhydramine Capsules or Tablets Diphenhydramine is an antihistamine medication that treats the symptoms of allergies and allergic reactions. It also prevents and treats motion sickness or symptoms of Parkinson's disease.

Diphenhydramine Side Effects
Learn about the side effects of diphenhydramine , from common to rare, for consumers and healthcare professionals.





Benadryl, a common antihistamine, can cause serious side effects like sedation, confusion, and even cardiac arrest, especially at high doses. Understanding these risks is important for safe use . 1