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antihistaminic
an·ti·his·ta·mine A0340900 (ăn′tē-hĭs′tə-mēn′, -mĭn, ăn′tī-) n. Any of various drugs used to counteract the physiological effects of histamine production in allergic reactions and colds.
an′ti·his′ta·min′ic (-mĭn′ĭk) adj. antihistaminic (ˌæntɪˌhɪstəˈmɪnɪk) adjrelating to antihistaminesTranslationsantistaminicoантигистаминныйEncyclopediaSeeantihistamineantihistaminic
antihistaminic [an″te-, an″ti-his-tah-min´ik] 1. counteracting the effects of histamine.2. antihistamine.an·ti·his·ta·min·ic (an'tē-his-tă-min'ik), 1. An agent that antagonizes actions of histamine. Physiologic manifestations of histamine release are determined by the subclass of histamine receptors (H1 or H2) found on tissue. Antistaminics may selectively block the effects of histamine for one receptor subclass or the other. 2. An agent that relieves symptoms of allergy (H1 antagonist) or gastric hyperacidity (H2 antagonist). antihistaminic adjective Referring to an agent or mechanism that counters histamine.
noun An anti-histaminic agent, see there.an·ti·his·ta·min·ic (an'tē-his-tă-min'ik) 1. Tending to neutralize or antagonize the action of histamine or to inhibit its production in the body. 2. An agent having such an effect, used to relieve allergy symptoms. an·ti·his·ta·min·ic (an'tē-his-tă-min'ik) 1. An agent that antagonizes actions of histamine. 2. An agent that relieves symptoms of allergy (H1 antagonist) or gastric hyperacidity (H2 antagonist). |