Relief of pain with oral medications.
D000284:Administration, Oral; D000700:Analgesics / Q000009:adverse effects / Q000627:therapeutic use*; D000701:Analgesics, Opioid / Q000627:therapeutic use; D001241:Aspirin / Q000627:therapeutic use; D002110:Caffeine / Q000627:therapeutic use; D002986:Clinical Trials as Topic; D003365:Costs and Cost Analysis; D011431:Dextropropoxyphene / Q000627:therapeutic use; D004338:Drug Combinations; D006801:Humans; D010146:Pain / Q000188:drug therapy*; D010166:Palliative Care; D010919:Placebos
D000700:Analgesics; D000701:Analgesics, Opioid; D004338:Drug Combinations; D010919:Placebos; D002110:Caffeine; D001241:Aspirin; D011431:Dextropropoxyphene