title: Methylnaltrexone (Relistor) for opioid induced constipation.
mesh_terms: D000701:Analgesics, Opioid / Q000009:adverse effects* / Q000627:therapeutic use; D003248:Constipation / Q000139:chemically induced / Q000188:drug therapy*; D004347:Drug Interactions; D006801:Humans; D009271:Naltrexone / Q000009:adverse effects / Q000031:analogs & derivatives* / Q000378:metabolism / Q000627:therapeutic use; D009292:Narcotic Antagonists / Q000009:adverse effects* / Q000378:metabolism / Q000627:therapeutic use; D000644:Quaternary Ammonium Compounds / Q000009:adverse effects / Q000378:metabolism / Q000627:therapeutic use; D016032:Randomized Controlled Trials as Topic; D013727:Terminal Care
chemical_list: D000701:Analgesics, Opioid; D009292:Narcotic Antagonists; D000644:Quaternary Ammonium Compounds; C032257:methylnaltrexone; D009271:Naltrexone