Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A drug used to counteract the physiological effects of histamine production in allergic reactions and colds.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A drug or substance that counteracts the effects of a histamine. Commonly used to alleviate the symptoms of hay fever and other allergies.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a medicine used to treat allergies and hypersensitive reactions and colds; works by counteracting the effects of histamine on a receptor site

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

anti- +‎ histamine.

Examples

  • Partly because of that inconvenience, the shots are generally recommended only when other strategies, such as antihistamine drugs or dust-mite covers on mattresses, bedding, and sofas, have failed to adequately control symptoms.

    Q&A: More allergy shots?

  • The doctors gave me a prescription for some kind of antihistamine that I should take all the time, told me to stay away from nuts because even though the tests were inconclusive, they still kinda thought that maybe somehow nuts were involved maybe or something.

    idiot-milk Diary Entry

  • This may not seem odd because of the fact that it is an allergy medicine, and is an antihistamine which is notorious for causing drowsiness, but I have been taking Zyrtec every allergy season for the past four years now.

    Archive 2005-06-01

  • Over-the-counter, or OTC, sleep aids main ingredient is antihistamine which is normally taken for allergies.

    CreationWiki - Recent changes [en]

  • Over-the-counter, or OTC, sleep aids main ingredient is antihistamine which is normally taken for allergies.

    CreationWiki - Recent changes [en]

  • No one could fully explain how an antihistamine might slow the progression of Alzheimer's, although clinical trials conducted in Russia suggested it could.

    Medivation, Pfizer End Work on Alzheimer's Drug

  • Still, if loratadine doesn't relieve your allergy symptoms, nonprescription Allegra could be an option to consider, along with cetirizine Zyrtec and generic, another related—but more expensive—antihistamine available without a prescription.

    Allergy drug Allegra goes OTC

  • The Food and Drug Administration this week approved the over-the-counter sale of Allegra fexofenadine, an antihistamine often used for hay fever.

    Allergy drug Allegra goes OTC

  • Ammonia is an antihistamine, which removes the itch. raferguson

    biting insects

  • Most allergies can be treated by corticosteroids and also some antihistamine blockers., *

    Five of the Strangest Allergies Known to Man | myFiveBest

Comments

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  • Compare the level of sciencespeak on this definition with histamine.

    October 25, 2018