IV Adult & adolescent >50 kg 100 mL infusion for 15 min up to 4 times daily. Max daily dose: 4 g.
Adult & adolescent <50 kg & childn >33 kg (approx 11 yr) 1.5 mL/kg up to 4 times daily. Max daily dose: 60 mg/kg or 3 g. Doses should be given w/ at least 4-hr interval.