Relieving acute pain.
D000208:Acute Disease; D000701:Analgesics, Opioid / Q000008:administration & dosage / Q000627:therapeutic use*; D006801:Humans; D007278:Injections, Spinal; D010146:Pain / Q000188:drug therapy*; D010149:Postoperative Pain / Q000188:drug therapy
D000701:Analgesics, Opioid