Diphenhydramine Hydrochloride

Diphenhydramine Hydrochloride is an antihistamine medication commonly used to relieve symptoms of allergies, such as sneezing, runny nose, itching, and watery eyes. It works by blocking the effects of histamine, a natural substance produced by the body during allergic reactions. Diphenhydramine is also utilized as a sleep aid due to its sedative properties.