A double-blind study of astemizole and terfenadine in the treatment of perennial rhinitis.
D000293:Adolescent; D000328:Adult; D016589:Astemizole; D001559:Benzhydryl Compounds / Q000009:adverse effects / Q000627:therapeutic use*; D001562:Benzimidazoles / Q000009:adverse effects / Q000627:therapeutic use*; D002648:Child; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D005260:Female; D006634:Histamine H1 Antagonists / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D012221:Rhinitis, Allergic, Perennial / Q000188:drug therapy*; D016593:Terfenadine
D001559:Benzhydryl Compounds; D001562:Benzimidazoles; D006634:Histamine H1 Antagonists; D016593:Terfenadine; D016589:Astemizole