title: Chronic pain and tricyclic antidepressants.
mesh_terms: D000929:Antidepressive Agents, Tricyclic / Q000627:therapeutic use*; D014150:Antipsychotic Agents / Q000627:therapeutic use; D004357:Drug Synergism; D006801:Humans; D010146:Pain / Q000188:drug therapy*
chemical_list: D000929:Antidepressive Agents, Tricyclic; D014150:Antipsychotic Agents