title: Doxepin as an adjunct in the treatment of chronic pain.
mesh_terms: D002908:Chronic Disease; D002986:Clinical Trials as Topic; D003863:Depression / Q000150:complications / Q000188:drug therapy; D003866:Depressive Disorder / Q000150:complications / Q000188:drug therapy; D004316:Doxepin / Q000627:therapeutic use*; D006801:Humans; D006919:Hydroxyzine / Q000627:therapeutic use; D010146:Pain / Q000150:complications / Q000188:drug therapy*; D010148:Intractable Pain / Q000150:complications / Q000188:drug therapy; D010919:Placebos
chemical_list: D010919:Placebos; D004316:Doxepin; D006919:Hydroxyzine