antihistamine

 

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antihistamine

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From anti- +‎ histamine.

• (US) IPA^(key): /ˌæn.tiˈhɪs.tə.miːn/, /ˌæn.taɪˈhɪs.tə.miːn/

• Audio (US):

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antihistamine (plural antihistamines)

1. (pharmacology) A drug or substance that counteracts the effects of a histamine. Commonly used to alleviate the symptoms of hay fever and other allergies.
   • 1946 December, British journal of pharmacology and chemotherapy, volume 1, number 4, page 278:

     Perhaps the most striking method of demonstrating the effect of antihistamine substances is to use them to protect guinea-pigs against the action of histamine sprayed into the air from an atomizer.

• See also Thesaurus:antihistamine

• anticistamines
• antihistaminic