Perennial allergic rhinitis, chronic urticaria Adult & childn ≥12 yr 5 mg once daily; some patients may experience relief of symptoms w/ 2.5 mg once daily.
Childn 6-11 yr 2.5 mg once daily. Max: 2.5 mg/day,
6 mth to 5 yr 1.25 mg once daily. Max: 1.25 mg.
Seasonal allergic rhinitis Adult & childn ≥12 yr 5 mg once daily; some patients may experience relief of symptoms w/ 2.5 mg once daily.
Childn 6-11 yr 2.5 mg once daily. Max 2.5 mg/day,
2-5 yr 1.25 mg once daily.
Elderly Refer to adult dosing; begin at the lower end of the dosing range.
Renal impairment Adult & childn ≥12 yr CrCl 50-80 mL/min 2.5 mg once daily,
CrCl 30-50 mL/min 2.5 mg once every other day,
CrCl 10-30 mL/min 2.5 mg twice wkly (every 3 or 4 days).
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