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Definition of Methadone hydrochloride
1. Noun. Synthetic narcotic drug similar to morphine but less habit-forming; used in narcotic detoxification and maintenance of heroin addiction.
Exact synonyms: Dolophine Hydrochloride, Fixer, Methadon, Methadone, Synthetic Heroin
Generic synonyms: Narcotic
Generic synonyms: Narcotic
Medical Definition of Methadone hydrochloride
1. 6-Dimethylamino-4,4-diphenyl-3-heptanone hydrochloride;a synthetic narcotic drug; an orally effective analgesic similar in action to morphine but with slightly greater potency and longer duration. It produces psychic and physical dependence as with morphine, but withdrawal symptoms are somewhat milder; used as a replacement (oral route) for morphine and heroin; also used during withdrawal treatment in morphine and heroin addiction. (05 Mar 2000)