diphenhydramine

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]

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▪ drug
      synthetic drug used in the treatment of various conditions including hay fever, acute skin reactions (such as hives), contact dermatitis (such as from poison ivy), and motion sickness. Diphenhydramine counteracts the histamine reaction. Introduced into medicine in 1945 and marketed under several trade names, including Benadryl, it occurs as white crystals soluble in water. The drug is administered orally or by intramuscular or intravenous injection in the form of its hydrochloride. The most common side effect is drowsiness.

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Universalium. 2010.

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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 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 — 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 * * * n. an antihistamine with sedative properties… …   Medical dictionary

  • 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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