One of these read the picture, the other two guessed ...
BENADRYL Original contains the active ingredients Diphenhydramine hydrochloride and Ammonium chloride. Diphenhydramine hydrochloride belongs to a group of medicines called antihistamines. It works by ...
ZzzQuil contains diphenhydramine, an antihistamine that blocks histamine receptors in your brain to cause drowsiness and help you fall asleep. Common side effects include stomach upset, drowsiness, ...