Fig. 2

Antihistamine dosages and results. The following dosages were considered as standard dose: levocetirizine 5 mg, desloratadine 5 mg, fexofenadine 180 mg, clemastine 1 mg, hydroxyzine 25 mg, cetirizine 10 mg, loratadine 10 mg, acrivastine 8 mg three times daily