What is benadryl?

Web definitions

Diphenhydramine: antihistamine (trade name Benadryl) used to treat allergic reactions involving the nasal passages (hay fever) and also to treat motion sickness

Wordnetweb.princeton.edu/perl/webwn

Benadryl is a brand name allergy medicine marketed over-the-counter by Johnson & Johnson subsidiary McNeil Consumer Healthcare. Prior to 2007, Benadryl was marketed by Pfizer Consumer Healthcare.. .

En.wikipedia.org/wiki/Benadryl

A common brand-name antihistamine medication used to relieve allergic symptoms. The generic version is called diphenhydramine.

Health Glossary - Childhood Illnesses