pharmacological treatment of chronic rhinitis has greatly improved with the introduction of the relatively non-sedating h1-receptor antagonists such as terfenadine , astemizole , loratadine , and cetirizine , and the safe , highly efficacious topical glucocorticosteroids such as beclomethasone dipropionate , flunisolide , budesonide , fluocortin butyl , and triamcinolone acetonide .
C2757048
h1-receptor antagonists
C0055147
cetirizine