Diphenhydramine Capsules

Generic name: diphenhydramine hydrochloride
Dosage form: capsule
Drug classes:Anticholinergic antiemetics, Anticholinergic antiparkinson agents, Antihistamines, Miscellaneous anxiolytics, sedatives and hypnotics

Medically reviewed by Drugs.com. Last updated on Jul 22, 2021.

Revised MAY 1999

1000590101

Rx only

DESCRIPTION:

Diphenhydramine Hydrochloride is an antihistamine drug having the chemical name 2-(diphenylmethoxy)-N, N-dimethylethylamine hydrochloride. It occurs as a white, odorless crystalline powder and is freely soluble in water and alcohol. The structural formula is as follows:

C17H21NO • HCl Molecular Weight: 291.82

Each capsule contains 50 mg of diphe...