| methadone | <chemical> A synthetic opioid that is used as the hydrochloride. It is an opioid analgesic that is primarily a mu-opioid agonist. It has actions and uses similar to those of morphine. It also has a depressant action on the cough centre and may be given to control intractable cough associated with terminal lung cancer. Methadone is also used as part of the treatment of dependence on opioid drugs, although prolonged use of methadone itself may result in dependence. Pharmacological action: analgesics, opioid, antitussive agents, narcotics. Chemical name: 3-Heptanone, 6-(dimethylamino)-4,4-diphenyl- (12 Dec 1998) |
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| methadone hydrochloride | 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) |
| tablets | Solid dosage forms, of varying weight, size, and shape, which may be molded or compressed, and which contain a medicinal substance in pure or diluted form. (12 Dec 1998) |
| tablets, enteric-coated | Tablets coated with material that delays release of the medication until after they leave the stomach. (12 Dec 1998) |