title: A double-blind placebo controlled study of terfenadine in the treatment of chronic idiopathic urticaria.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001559:Benzhydryl Compounds / Q000627:therapeutic use*; D002908:Chronic Disease; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D004341:Drug Evaluation; D005260:Female; D006634:Histamine H1 Antagonists / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011897:Random Allocation; D016593:Terfenadine; D014581:Urticaria / Q000188:drug therapy*
chemical_list: D001559:Benzhydryl Compounds; D006634:Histamine H1 Antagonists; D016593:Terfenadine