title: Drugs for pain.
mesh_terms: D000700:Analgesics / Q000009:adverse effects / Q000627:therapeutic use*; D018712:Analgesics, Non-Narcotic / Q000009:adverse effects / Q000627:therapeutic use; D000701:Analgesics, Opioid / Q000009:adverse effects / Q000627:therapeutic use; D000928:Antidepressive Agents / Q000627:therapeutic use; D004361:Drug Tolerance; D006801:Humans; D010146:Pain / Q000188:drug therapy*
chemical_list: D000700:Analgesics; D018712:Analgesics, Non-Narcotic; D000701:Analgesics, Opioid; D000928:Antidepressive Agents