title: Methadone maintenance and narcotic blocking drugs. Appendix.
abstract: The research history of norcodeine as a narcotic blocking drug is presented. Because of the limitations found for norcodeine usage, naloxone, cyclazocine, and naltrexone have recently received attention, and the results of research with them are detailed.
mesh_terms: D000284:Administration, Oral; D003496:Cyclazocine / Q000008:administration & dosage / Q000627:therapeutic use; D004361:Drug Tolerance; D006556:Heroin Dependence / Q000534:rehabilitation*; D006801:Humans; D007279:Injections, Subcutaneous; D008691:Methadone / Q000627:therapeutic use*; D009270:Naloxone / Q000008:administration & dosage / Q000627:therapeutic use*; D009271:Naltrexone / Q000008:administration & dosage / Q000627:therapeutic use; D009292:Narcotic Antagonists / Q000627:therapeutic use*; D012106:Research; D013375:Substance Withdrawal Syndrome
chemical_list: D009292:Narcotic Antagonists; D009270:Naloxone; D009271:Naltrexone; D003496:Cyclazocine; D008691:Methadone