Adult Mild infection 600 mg/day in 2 divided doses.
Moderate serious infection 600-1,200 mg/day in 2-4 divided doses.
More serious infection 1.2-2.7 g/day in 2-4 divided doses, may be increased to 4.8 g/day IV in life-threatening situations.
Childn >1 mth 20-40 mg/kg body wt/day in 3-4 divided doses.
Serious infection 350 mg/m
2/day.
More serious infection 450 mg/m
2/day.
Neonates <1 mth 15-20 mg/kg body wt/day in 3-4 divided doses.