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n. A potent synthetic narcotic drug, C21H27NO, that is less addictive than morphine or heroin and is used as a substitute for these drugs in addiction treatment programs. It may also be used for chronic pain management.

n. A synthetic opioid analgesic, used to wean addicts off of heroin or other opiate based narcotics, and in chronic pain management.

n. synthetic narcotic drug similar to morphine but less habit-forming; used in narcotic detoxification and maintenance of heroin addiction

"The European Monitoring Centre for Drugs and Drug Addiction, a Lisbon-based European Union agency, says methadone or other substance-substitution programs are generally viewed as successful but has observed that some Portuguese are beginning to question long-term methadone therapy."

narcotic   

barbiturate    narcotine    fentanyl    out-patient    atropine