: 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
ˌan-tē-ˌhi-stə-ˈmi-nikadjective or noun
Recent Examples on the Web Some antihistamines, such as Benadryl, can cause drowsiness. —Jim Cobb, Field & Stream, 10 May 2023 The most common active ingredients include antihistamines, vasoconstrictors, and lubricating agents. —Lindsay Modglin, Health, 1 May 2023 But many prescription medicines can cause constipation: iron supplements, the blood pressure medicine verapamil, antihistamines, antidepressants, and many others. —Dr. Keith Roach, oregonlive, 26 Jan. 2023 Hydroxyzine is an antihistamine prescribed for allergies and anxiety. —Stephanie Pagones, Fox News, 28 Dec. 2022 Another 14, including antihistamines, antidepressants and an antibiotic, were traced on all continents except Antarctica. —Andrea Thompson, Scientific American, 1 June 2022 Contact dermatitis is also treated with antihistamines or anti-itch creams. —Erica Sweeney, Good Housekeeping, 4 May 2023 The factory is owned and operated by PCI Synthesis/Seqens, a multinational company based in France that is involved in the production of generic drugs typically found in medicine cabinets, such as over-the-counter painkillers and antihistamines, according to the company’s website. —John R. Ellement, BostonGlobe.com, 4 May 2023 In the hopes of creating a safer environment for everyone, Fogarty landed on her project idea: a simple, color-changing sensor that can tell someone whether an antihistamine has been slipped into their drink. —Teresa Nowakowski, Smithsonian Magazine, 24 Apr. 2023 See More
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.
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