Diphenhydramine Capsule: Uses, Dosage, Side Effects, Precautions and Alternates

Diphenhydramine Capsule

Generic namediphenhydramine
Drug classAntihistamine (anticholinergic antiemetics, anticholinergic antiparkinson agents, antihistamines, miscellaneous anxiolytics, sedatives and hypnotics)
FormsTablet, Chewable tablet, Capsule, Liquid, Injection, Oral solution

Diphenhydramine is an antihistamine that reduces the effects of a natural chemical called histamine in the body. Histamine can cause sneezing, itching, watery eyes, and a runny nose.