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methadone hydrochloride

Pronunciation: meth'a-don hi'dro-klor'id

Definition: 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 does 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.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.