H1-receptor-active histamine not sole cause of chronic idiopathic urticaria.
D016589:Astemizole; D001562:Benzimidazoles / Q000627:therapeutic use*; D002908:Chronic Disease; D006632:Histamine / Q000502:physiology*; D006634:Histamine H1 Antagonists / Q000627:therapeutic use*; D006801:Humans; D014581:Urticaria / Q000188:drug therapy / Q000503:physiopathology*
D001562:Benzimidazoles; D006634:Histamine H1 Antagonists; D016589:Astemizole; D006632:Histamine