Medically reviewed by Daniel Combs, MD Benadryl (diphenhydramine) is an over-the-counter (OTC) antihistamine commonly used to ...

Read the dosing instructions carefully for each product because the amount of diphenhydramine may be different between products. Do not increase your dose or take this medication more often than ...

Read the dosing instructions carefully for each product because the amount of diphenhydramine may be different between products. Do not increase your dose or take this medication more often than ...

Though Benadryl can make it easier to fall asleep, it should be avoided in children under 12 as well as older adults in whom drug side effects can be longer lasting. For these and other reasons, the ...