antihistamine
noun
an·ti·his·ta·mine
ˌan-tē-ˈhi-stə-ˌmēn 
-mən,
ˌan-tī-
: any of various compounds that counteract histamine in the body and that are used for treating allergic reactions (such as hay fever) and cold symptoms
antihistamine
adjective
Examples of antihistamine in a Sentence
Recent Examples on the Web
Additional medications that can cause drowsiness are antidepressants, antihistamines, allergy medications and more, according to Harvard Health Publishing.
—
Renée Onque, CNBC, 1 Apr. 2025
Nettle tea: on sale for $11.99 (20% off) Original price: $14.99
(Amazon)
Drinking nettle tea regularly during allergy season helps reduce the amount of histamine in your body, the exact thing antihistamine medication attacks.
—Christopher Murray, FOXNews.com, 25 Mar. 2025
And antihistamines, the ones that last 12 to 24 hours.
—Eileen Finan, People.com, 22 Mar. 2025
There is a subreddit where violinists gently correct one another’s bow holds, a subreddit for rowers where people compare erg scores, and a subreddit for people who are honest-to-God allergic to the cold and trade tips about which antihistamine regimen works best.
—Adrienne Lafrance, The Atlantic, 4 Mar. 2025
See All Example Sentences for antihistamine
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Renée Onque, CNBC, 1 Apr. 2025
Nettle tea: on sale for $11.99 (20% off) Original price: $14.99
(Amazon)
Drinking nettle tea regularly during allergy season helps reduce the amount of histamine in your body, the exact thing antihistamine medication attacks.
—Christopher Murray, FOXNews.com, 25 Mar. 2025
And antihistamines, the ones that last 12 to 24 hours.
—Eileen Finan, People.com, 22 Mar. 2025
There is a subreddit where violinists gently correct one another’s bow holds, a subreddit for rowers where people compare erg scores, and a subreddit for people who are honest-to-God allergic to the cold and trade tips about which antihistamine regimen works best.
—Adrienne Lafrance, The Atlantic, 4 Mar. 2025
See All Example Sentences for antihistamine
Cite this Entry
“Antihistamine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/antihistamine. Accessed 16 Apr. 2025.
Copy CitationKids Definition
antihistamine
noun
an·ti·his·ta·mine
ˌant-i-ˈhis-tə-ˌmēn
-mən,
ˌan-ˌtī-
: any of various drugs used for treating allergic reactions and cold symptoms
Medical Definition
antihistamine
1 of 2 adjective
an·ti·his·ta·mine
ˌant-i-ˈhis-tə-ˌmēn, ˌan-ˌtī-, -mən
: tending to block or counteract the physiological action of histamine
human blood lacks antihistamine activity
antihistamine
2 of 2 noun
: any of various compounds that oppose the actions of histamine and are used especially for treating allergic reactions (as hay fever), cold symptoms, and motion sickness
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