title: No sneezing--or dozing--seen with new H1 blocker.
mesh_terms: D001559:Benzhydryl Compounds / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D006634:Histamine H1 Antagonists / Q000627:therapeutic use*; D006801:Humans; D012221:Rhinitis, Allergic, Perennial / Q000188:drug therapy*; D016593:Terfenadine
chemical_list: D001559:Benzhydryl Compounds; D006634:Histamine H1 Antagonists; D016593:Terfenadine