title: Chronic idiopathic urticaria: the dilemma of treatment.
mesh_terms: D002744:Chlorpheniramine / Q000008:administration & dosage; D002908:Chronic Disease; D002927:Cimetidine / Q000008:administration & dosage; D003533:Cyproheptadine / Q000008:administration & dosage; D004359:Drug Therapy, Combination; D006633:Histamine Antagonists / Q000008:administration & dosage*; D006801:Humans; D006919:Hydroxyzine / Q000008:administration & dosage; D014581:Urticaria / Q000188:drug therapy*
chemical_list: D006633:Histamine Antagonists; D003533:Cyproheptadine; D006919:Hydroxyzine; D002744:Chlorpheniramine; D002927:Cimetidine