Adult & childn ≥6 yr 10 mg daily. Seasonal rhinitis Give at beginning of hay fever season when pollens are still few. Hepatic & renal impairment Reduce dose to 1/2 of usual daily dose.
Hypersensitivity to cetirizine or hydroxyzine. Not recommended to hypokalemic patients w/ chronic renal failure undergoing hemodialysis. Not to be given to childn <6 yr w/ hepatic & renal impairment.
Caution in patients who require mental alertness or physical coordination (eg, drivers or machine operators) since this may cause drowsiness. Pregnancy. Not recommended in lactating mothers. Not to be given to childn & infants. Elderly w/ most likely renal & hepatic impairment.