Meningitis
Weight <2kg: 80,000-150,000 units/kg/dose IV/IM q8h
Weight ≥2kg: 80,000-150,000 units/kg/dose IV/IM q8h
112,000 units/kg/dose IV/IM q6h
Other Infection
Weight <2kg: 25,000 units/kg/dose IV/IM q12h
Weight ≥2kg: 25,000 units/kg/dose IV/IM q8h
Weight <1.2kg: 25,000 units/kg/dose IV/IM q12h
Weight ≥1.2-2kg: 25,000 units/kg/dose IV/IM q8h
Weight ≥2kg: 25,000 units/kg/dose IV/IM q6h
Congenital Syphilis
Weight <2kg; 50,000 units/kg/dose IV/IM q12h
Weight ≥2kg: 50,000 units/kg/dose IV/IM q12h