title: Methadone maintenance and narcotic blocking drugs.
abstract: Drugs which specifically antagonize certain of the actions of opioids are reviewed. These antagonists include nalorphine, levallorphan, naloxone, naltrexone, and cyclazocine. Programs involving antagonist treatment are discussed.
mesh_terms: D000359:Aftercare; D003496:Cyclazocine / Q000627:therapeutic use; D005108:Extinction, Psychological; D006556:Heroin Dependence / Q000534:rehabilitation*; D006760:Hospitalization; D006801:Humans; D007977:Levallorphan / Q000627:therapeutic use; D008691:Methadone / Q000627:therapeutic use*; D009269:Nalorphine / Q000627:therapeutic use; D009270:Naloxone / Q000627:therapeutic use; D009271:Naltrexone / Q000627:therapeutic use; D009292:Narcotic Antagonists / Q000627:therapeutic use*; D011613:Psychotherapy; D011957:Receptors, Opioid / Q000187:drug effects
chemical_list: D009292:Narcotic Antagonists; D011957:Receptors, Opioid; D007977:Levallorphan; D009270:Naloxone; D009271:Naltrexone; D003496:Cyclazocine; D009269:Nalorphine; D008691:Methadone