Definition of Naltrexone
Naltrexone: A derivative of naloxone used as an orally active and long-acting potent pure narcotic antagonist. Naltrexone is an alternative to methadone in the treatment of addiction to heroin and other opiates. See also: Naltrexone treatment program.
Source: MedTerms™ Medical Dictionaryhttp://www.medterms.com/script/main/art.asp?articlekey=25742
Last Editorial Review: 12/14/2003
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