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About diphenhydramine
Diphenhydramine (Benadryl, Diphenhist, Unisom, Zzzquil) is an antihistamine used to treat symptoms of seasonal allergies including sneezing, runny nose, and itching or watering eyes. It is also used as an over-the-counter sleep aid. It is available in generic and brand versions.
Get Diphenhydramine for as low as $3.02, which is 91% off the average retail price of $33.30 for the most common version, by using a GoodRx coupon.
