General Dosing
25,000-37,500 units/kg/dose IM/IV q6h Dose limit: 20 million units/day (4 million units/dose)
41,500-66,500 units/kg/dose IM/IV q4h Dose limit: 24 million units/day (4 million units/dose)
Meningitis
66,500 units/kg/dose IM/IV q4h Dose limit: 24 million units/day (4 million units/dose)
Congenital syphilis
50,000 units/kg/dose IV q4-6h for 10 days