There are many brands and forms of diphenhydramine available. Read the dosing instructions carefully for each product because the amount of diphenhydramine may be different between products.

There are many brands and forms of diphenhydramine available. Read the dosing instructions carefully for each product because the amount of diphenhydramine may be different between products.

These include sleep aids and allergy drugs that contain antihistamines, such as: diphenhydramine (Benadryl) doxylamine succinate (Nyquil) While diphenhydramine and doxylamine succinate are ...

also known as diphenhydramine HCI—the generic form of Benadryl. The drug is used to alleviate hay fever symptoms like sneezing, runny nose, itchy eyes, upper airway irritation, as well as other ...