Newer-generation oral antihistamines (H1 antagonists) used in allergic rhinitis

Table 2.1-2. Newer-generation oral antihistamines (H1 antagonists) used in allergic rhinitis
Agents	Usual dosage
Cetirizine	10 mg once daily
Desloratadine	5 mg once daily
Fexofenadine	120 mg once daily
Levocetirizine	5 mg once daily
Loratadine	10 mg once daily
Rupatadine	10 mg once daily
Bilastine	20 mg once daily