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
The big picture: These investors are betting on widespread GLP-1 adoption, maybe even to the point where taking such medicines for weight loss becomes as routine as taking aspirin for headaches or antihistamines for seasonal allergies.
—
Dan Primack, Axios, 16 Oct. 2024
Over 350 drugs across all major medication categories—including antihistamines, diabetes meds, antidepressants, and chemotherapy, as well as some vitamin and mineral supplements—can leave a bad taste in your mouth.
—Katie Camero, SELF, 27 Nov. 2024
According to one study, apple juice may interact with certain antihistamines, antihypertensives, and antiasthmatic medications.22
However, these potential interactions are not well understood, making more research necessary.
—Brittany Lubeck, Ms, Rdn, Verywell Health, 28 Oct. 2024
Dry, itchy skin can sometimes be associated with overactive histamines, and suggests taking a daily antihistamine until the condition has resolved.
—Kelsey Eisen, Allure, 28 Oct. 2024
See all Example Sentences for antihistamine 
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Dan Primack, Axios, 16 Oct. 2024
Over 350 drugs across all major medication categories—including antihistamines, diabetes meds, antidepressants, and chemotherapy, as well as some vitamin and mineral supplements—can leave a bad taste in your mouth.
—Katie Camero, SELF, 27 Nov. 2024
According to one study, apple juice may interact with certain antihistamines, antihypertensives, and antiasthmatic medications.22
However, these potential interactions are not well understood, making more research necessary.
—Brittany Lubeck, Ms, Rdn, Verywell Health, 28 Oct. 2024
Dry, itchy skin can sometimes be associated with overactive histamines, and suggests taking a daily antihistamine until the condition has resolved.
—Kelsey Eisen, Allure, 28 Oct. 2024
See all Example Sentences for antihistamine
Dictionary Entries Near antihistamine
Cite this Entry
“Antihistamine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/antihistamine. Accessed 21 Dec. 2024.
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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