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

Diphenhydramine Tablet

Generic namediphenhydramine
Drug classAntihistamine (anticholinergic antiemetic; anticholinergic antiparkinson agent; also used as a sedative/hypnotic)
FormsTablet, Chewable tablet, Capsule, Liquid/oral solution, Injection

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 runny nose.