Simple Definition of antihistamine
medical : a drug that is used to treat allergic reactions and colds
Full Definition of antihistamine
: any of various compounds that counteract histamine in the body and that are used for treating allergic reactions (as hay fever) and cold symptoms
First Known Use of antihistamine
Learn More about antihistamine
Medical Dictionary: Definition of "antihistamine" Spanish Central: Translation of "antihistamine" Nglish: Translation of "antihistamine" for Spanish speakers Britannica English: Translation of "antihistamine" for Arabic speakers Britannica.com: Encyclopedia article about "antihistamine"
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