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How Long Does it Take Benadryl to Work?

Understanding Benadryl and its Uses Benadryl is a brand name for diphenhydramine, an antihistamine medication that is commonly used to relieve symptoms associated with allergies, such as runny nose, sneezing, itching, and hives. It works by blocking the effects of histamine, a substance produced by the body in response to an allergen. Apart from allergies, Benadryl can also be used…