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English definition of “antihistamine”


noun [C or U]     /ˌæn.tiˈhɪs.tə.mɪn/ /-miːn/ US  /-t̬i-/
a type of drug that is used to treat medical conditions caused by an extreme reaction to particular substances: Antihistamine is often used to treat hay fever and insect bites.Specific medicines and drugsSpecific types of drug
(Definition of antihistamine noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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