Severe infection due to susceptible organisms Adult 500 mg 3 times daily (every 8 hr) orally.
Childn >1 mth 30 mg/kg daily in 3-4 divided doses.
More severe infection Adult 500 mg 4 times daily (every 6 hr) orally.
Childn 60 mg/kg daily in 3-4 divided doses. In cases of β-hemolytic streptococcal infections, treatment should be continued for at least 10 days.