4 million units q4h IV
41,500 – 66500 units IV q4h
0-7 days of age and weight less than 2kg
25,000 units/kg/dose IV/IM q12h
0-7 days of age and weight at least 2kg
25,000 units/kg/dose IV/IM q8h
Greater than 7 days of age and weight less than 1.2kg
Greater than 7 days of age and weight 1.2 - 2kg
Greater than 7 days of age and weight greater than 2kg
25,000 units/kg/dose IV/IM q6h