codeine

codeine
Obtained from opium, which contains 0.7 to 2.5%, but usually made from morphine. Used as an analgesic and antitussive; drug dependence (physical and psychic) may develop, but c. is less liable to produce addiction than is morphine; c. is biotransformed to morphine, which accounts for most of c.'s effects. SYN: methylmorphine. [G. kodeia, head, poppy head]

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co·deine 'kō-.dēn, 'kōd-ē-ən n a morphine derivative that is found in opium, is weaker in action than morphine, and is used esp. in the form of its sulfate (C18H21NO3)2·H2SO4 or phosphate C18H21NO3·H3PO4 esp. as an analgesic and an antitussive

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n.
an analgesic derived from morphine but less potent as a pain killer and sedative and less toxic. It is administered by mouth or injection to relieve pain and also to suppress coughs. Common side-effects include constipation, nausea, vomiting, dizziness, and drowsiness, but dependence is uncommon.

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co·deine (koґdēn) [L. codeina] [USP] a narcotic alkaloid obtained from opium or prepared by methylating morphine. Called also methylmorphine.

Medical dictionary. 2011.

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Look at other dictionaries:

  • Codéine — Général Nom IUPAC (5R,6S) 7,8 didehydro 4,5 époxy 3 méthoxy N méthylmorphinan 6 ol No CA …   Wikipédia en Français

  • Codeine — Codéine Codéine Général Nom IUPAC 5R,6S) 7,8 didehydro 4,5 époxy 3 méthoxy N méthylmorphinan 6 ol No CAS …   Wikipédia en Français

  • Codéïne — Codéine Codéine Général Nom IUPAC 5R,6S) 7,8 didehydro 4,5 époxy 3 méthoxy N méthylmorphinan 6 ol No CAS …   Wikipédia en Français

  • CODÉINE — Alcaloïde naturel constituant de l’opium, la codéine, ou méthylmorphine, dérive de la morphine par méthylation. Elle est utilisée en médecine comme anti tussif et comme analgésique, mais cette dernière action est six à sept fois plus faible que… …   Encyclopédie Universelle

  • codeine — alkaloid present in opium, 1838, from Fr. codéine, coined, with chemical suffix INE (Cf. ine) (2), from Gk. kodeia poppy head, related to kooz prison, lit. hollow place; kodon bell, mouth of a trumpet; koilos hollow, from PIE root *kel (see CEL …   Etymology dictionary

  • Codeine — Co*de ine, n. [Gr. ? poppy head: cf. F. cod?ine.] (Chem.) One of the opium alkaloids; a white crystalline substance, {C18H21NO3}, similar to and regarded as a derivative of morphine, but much feebler in its action; called also {codeia}. [1913… …   The Collaborative International Dictionary of English

  • codeine — ► NOUN ▪ a sleep inducing and painkilling drug derived from morphine. ORIGIN from Greek k deia poppy head …   English terms dictionary

  • codeine — [kō dē′əkō′dēn΄] n. [< Gr kōdeia, poppy head + INE3] a narcotic alkaloid, C18H21NO3·H2O, derived from opium and resembling morphine, but less habit forming: used in cough medicines and to relieve pain: also codein or codeia [kō dē′ə] …   English World dictionary

  • Codeine — For other uses, see Codeine (disambiguation). Codeine Systematic (IUPAC) name (5α,6α) 7,8 didehydro 4,5 epoxy 3 methoxy 17 methylmorphinan 6 ol Cli …   Wikipedia

  • codeine — /koh deen/, n. Pharm. a white, crystalline, slightly bitter alkaloid, C18H21NO3, obtained from opium, used in medicine chiefly as an analgesic or sedative and to inhibit coughing. Also, codeia /koh dee euh/, codeina /koh dee ee neuh/. [1830 40; …   Universalium

  • codeine — A drug made from opium or morphine that is used to relieve pain and to prevent coughing and diarrhea. Codeine is a type of opiate. Also called codeine phosphate …   English dictionary of cancer terms

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