Adult & childn >12 yr 10 mg once daily. Childn 2-12 yr, >30 kg 10 mg once daily, <30 kg 5 mg once daily. Severe hepatic impairment Adult & childn >30 kg Initially 10 mg every other day. Childn ≤30 kg 5 mg every other day.
Discontinue use at least 48 hr before skin tests. Not to be taken by patients w/ galactose intolerance, Lapp lactase deficiency or glucose-galactose malabsorption. May affect ability to drive & use machines. Severe hepatic impairment. Not recommended during pregnancy & lactation. Not recommended in childn <2 yr.