Initially 100-200 mg, followed by 100 mg 12 hrly. Alternatively, 50 mg bd-qds initially, followed by 50 mg 6 hrly. Therapy should be continued for 1-2 days beyond the time when characteristic symptoms or fever have subsided. Syphilis
Therapy should be given over a period of 10-15 days. Childn ≥13 yr
Initially 4 mg/kg, followed by 2 mg/kg 12 hrly.