a potent opioid (see opiate) administered by mouth or injection to relieve severe pain and as a linctus to suppress coughs in terminal illness. It is also used to treat heroin (diamorphine) dependence. Digestive upsets, drowsiness, and dizziness may occur, and prolonged use may lead to dependence.
Trade names:
Methadose, Physeptone, Synastone.

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  • Méthadone — Général Nom IUPAC (RS) 6 (diméthylamino) 4,4 diphényl 3 heptanone No CAS …   Wikipédia en Français

  • Methadone — Méthadone Méthadone Général Nom IUPAC (RS) 6 (diméthylamino) 4,4 diphényl 3 heptanone No CAS …   Wikipédia en Français

  • méthadone — [ metadɔn ] n. f. • 1971; angl. amér. methadon(e), de meth(yl)a(mino), d(iphenyl) et (heptan)one ♦ Dérivé synthétique de la morphine, utilisé comme produit de substitution à l héroïne dans certaines cures de désintoxication. ● méthadone nom… …   Encyclopédie Universelle

  • methadone — 1947, generic designation for 6 dimethylamino 4, 4 diphenyl 3 heptanone. For origins of the syllables, see METHYL (Cf. methyl) + AMINO (Cf. amino) + DI (Cf. di ) + ONE (Cf. one) …   Etymology dictionary

  • methadone — ► NOUN ▪ a powerful synthetic painkiller, used as a substitute for morphine and heroin in the treatment of addiction. ORIGIN from its chemical name …   English terms dictionary

  • methadone — [meth′ə dōn΄] n. [< (6 di)meth(yl)a(mino 4,4 )d(iphenyl 3 heptan)one] a synthetic narcotic drug, C21H27NO, used in medicine to treat heroin and morphine addicts: it is more potent than morphine, with a longer duration of action and milder… …   English World dictionary

  • Methadone — Phy redirects here. For the abbreviation for the physical layer of the OSI Model, see PHY. Not to be confused with Methedrine, Methedrone, Mephedrone, or Methylone. Methadone …   Wikipedia

  • methadone — /meth euh dohn /, n. Pharm. a synthetic narcotic, C21H28ClNO, similar to morphine but effective orally, used in the relief of pain and as a heroin substitute in the treatment of heroin addiction. Also, methadon /meth euh don /. [1945 50, Amer.;… …   Universalium

  • methadone — methadon methadon, methadone methadone . a narcotic drug similar to morphine but less habit forming; used in treating heroin addiction. Syn: methadone hydrochloride. [WordNet 1.5] …   The Collaborative International Dictionary of English

  • Methadone — A synthetic opiate. The most common medical use for methadone is as a legal substitute for heroin in some treatment programs for drug addiction. It is administered to participating addicts daily at a drug clinic in the form of a green, tasteless… …   Medical dictionary

  • methadone — noun Methadone is used before these nouns: ↑clinic …   Collocations dictionary

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