Benadryl

trademark
Ben·​a·​dryl | \ ˈben-ə-ˌdril How to pronounce Benadryl (audio) \

Medical Definition of Benadryl

used for a preparation of the hydrochloride of diphenhydramine

Learn More about Benadryl

Cite this Entry

“Benadryl.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Benadryl. Accessed 6 Apr. 2020.

Comments on Benadryl

What made you want to look up Benadryl? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

Name that Thing: Flower Edition

Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!