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
While saline, antihistamine, and steroid options are long-term relationship material, think of decongestants as more of a weekend fling.
—
Alexis Berger, SELF, 15 Apr. 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
Oral antihistamines Amazon Basic Care 24 Hour Allergy Relief $15.60, $14.57
Amazon Basic Care 24-Hour Allergy Relief treats both indoor and outdoor allergy symptoms.
—Nora Colomer, Fox News, 18 Mar. 2024
Oral antihistamines and topical corticosteroids usually help reduce itching.
—Maggie O'Neill, Health, 1 Feb. 2024
Still, there are alternatives to oral medications that can help alleviate allergy symptoms, Yu said, including saline nasal sprays or rinses and antihistamine or saline eye drops.
—Hannah Seo, San Diego Union-Tribune, 2 Apr. 2024
One study even found that phototherapy can be beneficial when paired with antihistamines in chronic hive cases.
—Karen Pallarito, Health, 24 Mar. 2024
Some treatment options include medications like antihistamines and nasal steroid sprays.
—Alexis Berger, SELF, 22 Mar. 2024
Last week, Oklahoma’s medical examiner released a single-page summary of Benedict’s autopsy report, which listed the cause of death as suicide due to a lethal combination of an antidepressant and antihistamine.
—Molly Hennessy-Fiske, Washington Post, 21 Mar. 2024
Alexis Berger, SELF, 15 Apr. 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
Oral antihistamines Amazon Basic Care 24 Hour Allergy Relief $15.60, $14.57
Amazon Basic Care 24-Hour Allergy Relief treats both indoor and outdoor allergy symptoms.
—Nora Colomer, Fox News, 18 Mar. 2024
Oral antihistamines and topical corticosteroids usually help reduce itching.
—Maggie O'Neill, Health, 1 Feb. 2024
Still, there are alternatives to oral medications that can help alleviate allergy symptoms, Yu said, including saline nasal sprays or rinses and antihistamine or saline eye drops.
—Hannah Seo, San Diego Union-Tribune, 2 Apr. 2024
One study even found that phototherapy can be beneficial when paired with antihistamines in chronic hive cases.
—Karen Pallarito, Health, 24 Mar. 2024
Some treatment options include medications like antihistamines and nasal steroid sprays.
—Alexis Berger, SELF, 22 Mar. 2024
Last week, Oklahoma’s medical examiner released a single-page summary of Benedict’s autopsy report, which listed the cause of death as suicide due to a lethal combination of an antidepressant and antihistamine.
—Molly Hennessy-Fiske, Washington Post, 21 Mar. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'antihistamine.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near antihistamine
Cite this Entry
“Antihistamine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/antihistamine. Accessed 30 Apr. 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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