title: Itching for relief.
mesh_terms: D004361:Drug Tolerance; D006801:Humans; D009271:Naltrexone / Q000627:therapeutic use*; D009292:Narcotic Antagonists / Q000627:therapeutic use; D011537:Pruritus / Q000188:drug therapy*
chemical_list: D009292:Narcotic Antagonists; D009271:Naltrexone