title: Post-herpetic neuralgia.
mesh_terms: D001591:Benzydamine / Q000627:therapeutic use*; D006562:Herpes Zoster / Q000150:complications*; D006801:Humans; D009437:Neuralgia / Q000188:drug therapy*; D011720:Pyrazoles / Q000627:therapeutic use*
chemical_list: D011720:Pyrazoles; D001591:Benzydamine