clinical efficacies of several antihistamines ( clemastine , astemizole , terfenadine , acrivastine , hydroxyzine , cimetidine ) , of ketotifen as a h1 receptor antagonist and mast cell stabilizer , of tricyclic antidepressant doxepin with h1 and h2 antagonist properties , of the calcium channel antagonist nifedipine , of topical corticosteroids and of the attenuated androgen danazol are presented .
C0022642
ketotifen
C2919009
h1