di·phen·hy·dra·mine .dī-.fen-'hī-drə-.mēn n an antihistamine used esp. in the form of its hydrochloride C17H21NO·HCl to treat allergy symptoms and motion sickness and to induce sleep see BENADRYL

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an antihistamine with sedative properties used to induce sleep and - in combination with other drugs - included in cough mixtures (e.g. Benylin). It is administered by mouth; side-effects include drowsiness.

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di·phen·hy·dra·mine (di″fen-hiґdrə-mēn) a potent antihistamine (H1 receptor antagonist) with anticholinergic, antitussive, antiemetic, antivertigo, antidyskinetic, and sedative actions.

Medical dictionary. 2011.

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Look at other dictionaries:

  • Diphenhydramine — Systematic (IUPAC) name 2 (diphenylmethoxy) N,N dimethylethanamine Clinical data Trade names Benadryl …   Wikipedia

  • Diphenhydramine — Général No CAS …   Wikipédia en Français

  • Diphénhydramine — Général Nom IUPAC 2 (diphénylméthoxy) N,N diméthyléthanamine No CAS …   Wikipédia en Français

  • diphenhydramine — /duy fen huy dreuh meen /, n. Pharm. a white, crystalline, antihistaminic compound, C17H21NO, used orally, topically, and parenterally, esp. for allergies. [1945 50; DIPHEN(YL) + HYDR 2 + AMINE] * * * ▪ drug       synthetic drug used in the… …   Universalium

  • diphenhydramine hydrochloride — An H2 antihistaminic with anticholinergic and sedative properties. * * * [USP] the hydrochloride salt of diphenhydramine, used for the symptomatic treatment of allergic symptoms, for the treatment of anaphylaxis, parkinsonism or drug induced… …   Medical dictionary

  • diphenhydramine citrate — [USP] the citrate salt of diphenhydramine, used as a sedative and hypnotic; administered orally …   Medical dictionary

  • diphenhydramine — noun Date: 1948 an antihistamine C17H21NO used especially in the form of its hydrochloride …   New Collegiate Dictionary

  • diphenhydramine — noun An antihistamine and sedative drug that blocks the effect of histamine at H1 receptor sites, reducing smooth muscle contraction …   Wiktionary

  • diphenhydramine — n. chemical compound used as an anti allergy medication …   English contemporary dictionary

  • diphenhydramine — [ˌdʌɪfɛn hʌɪdrəmi:n] noun Medicine an antihistamine compound used for the symptomatic relief of allergies …   English new terms dictionary

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