title: Urticaria.
mesh_terms: D000485:Allergens; D002927:Cimetidine / Q000627:therapeutic use; D003533:Cyproheptadine / Q000627:therapeutic use; D006801:Humans; D006919:Hydroxyzine / Q000627:therapeutic use; D014581:Urticaria / Q000188:drug therapy / Q000209:etiology / Q000276:immunology
chemical_list: D000485:Allergens; D003533:Cyproheptadine; D006919:Hydroxyzine; D002927:Cimetidine