Symptomatic relief of allergy
Adult and child > 12 years: 10 mg once daily
Child 6–12 years: 5 mg every 12 hours
Child 2–6 years: 2.5 mg every 12 hours
Child 1–2 years: 250 ʯg/kg mg every 12 hours
In renal failure:Reduce dose to ½ in mild
failure; ½ normal dose on alternate days in moderate failure