diphenhydramine

noun

di·​phen·​hy·​dra·​mine ˌdī-ˌfen-ˈhī-drə-ˌmēn How to pronounce diphenhydramine (audio)
: an antihistamine C17H21NO used especially in the form of its hydrochloride

Examples of diphenhydramine in a Sentence

Recent Examples on the Web The diphenhydramine in Benadryl helps to reduce the body's histamine response and treat the symptoms. Sherri Gordon, Parents, 9 July 2024 Taking oral antihistamines, such as diphenhydramine, fexofenadine, loratadine and cetirizine, can also help counter the effects of your sting, Grimes says. Caroline C. Boyle, USA TODAY, 8 July 2024 While many of my client’s first thoughts are to try over-the-counter human allergy medications, like diphenhydramine (Benadryl), these tend to be less impactful than medications formulated specifically for a dog’s immune system. Dr. Devon B. Smith, Baltimore Sun, 1 May 2024 Allergy meds Some over-the-counter antihistamines, like Benadryl, contain diphenhydramine, an ingredient that can make people feel sleepy. Carly Weeks, TIME, 10 Apr. 2024 See all Example Sentences for diphenhydramine 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'diphenhydramine.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1948, in the meaning defined above

Time Traveler
The first known use of diphenhydramine was in 1948

Dictionary Entries Near diphenhydramine

Cite this Entry

“Diphenhydramine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diphenhydramine. Accessed 27 Jul. 2024.

Medical Definition

diphenhydramine

noun
di·​phen·​hy·​dra·​mine ˌdī-ˌfen-ˈhī-drə-ˌmēn How to pronounce diphenhydramine (audio)
: an antihistamine used especially in the form of its hydrochloride C17H21NO·HCl to treat allergy symptoms and motion sickness and to induce sleep see benadryl

More from Merriam-Webster on diphenhydramine

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