IV Adult 400 mg via infusion over 30 min every 6-8 hr as necessary. Max daily dose: 2,400 mg.
Paed 20-30 mg/kg divided into 3-4 single doses (5-10 mg/kg). Infuse over 30 min. Interval between doses should not be <6 hr.
Adolescent weighing ≥40 kg Single dose up to 400 mg. Max daily dose: 1,200 mg.
Childn weighing 5-39 kg Up to 10 mg/kg. Max daily dose: 30 mg/kg.