Antihistamine for cluster headache.
D000368:Aged; D001559:Benzhydryl Compounds / Q000627:therapeutic use*; D003027:Cluster Headache / Q000188:drug therapy*; D006801:Humans; D006919:Hydroxyzine / Q000627:therapeutic use*; D008297:Male; D016593:Terfenadine; D014653:Vascular Headaches / Q000188:drug therapy*
D001559:Benzhydryl Compounds; D006919:Hydroxyzine; D016593:Terfenadine