The Food and Drug Administration (FDA) has not approved Benadryl, which contains the active ingredient diphenhydramine, to treat anxiety. The medication is also not intended for long-term use.

Common active ingredients phenylephrine is used with include acetaminophen - sold as a pain reliever - diphenhydramine - sold ...

Benadryl (diphenhydramine) is an over-the-counter (OTC) antihistamine commonly used to treat allergies that is also sometimes used as a sleep aid for insomnia. Benadryl is only intended for the ...