title: I just started using a fentanyl patch for chronic back pain. What special precautions should I take?
mesh_terms: D000279:Administration, Cutaneous; D000701:Analgesics, Opioid / Q000008:administration & dosage*; D001416:Back Pain / Q000188:drug therapy*; D002908:Chronic Disease; D005283:Fentanyl / Q000008:administration & dosage*; D006801:Humans; D010353:Patient Education as Topic; D057968:Transdermal Patch
chemical_list: D000701:Analgesics, Opioid; D005283:Fentanyl