title: Abuse of fentanyl derivatives: History repeating itself.
authors.affiliation: School of Pharmacy (Professor Emeritus)University of PittsburgTony, WIkrenzee@att.net.
authors.forename: Edward P
authors.initials: EP
authors.lastname: Krenzelok
mesh_terms: D000701:Analgesics, Opioid / Q000009:adverse effects* / Q000138:chemical synthesis; D058110:Counterfeit Drugs / Q000009:adverse effects* / Q000138:chemical synthesis; D005283:Fentanyl / Q000009:adverse effects / Q000031:analogs & derivatives* / Q000138:chemical synthesis; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D013287:Illicit Drugs / Q000009:adverse effects* / Q000138:chemical synthesis; D009270:Naloxone / Q000008:administration & dosage; D009292:Narcotic Antagonists / Q000008:administration & dosage; D009293:Opioid-Related Disorders / Q000188:drug therapy / Q000453:epidemiology / Q000209:etiology / Q000266:history*; D014481:United States / Q000453:epidemiology
chemical_list: D000701:Analgesics, Opioid; D058110:Counterfeit Drugs; D013287:Illicit Drugs; D009292:Narcotic Antagonists; D009270:Naloxone; C017114:carfentanil; D005283:Fentanyl
keywords: fentanyl; naloxone; opioids