Neonatal Ampicillin Dosing

General - Less than or equal to 1.2 kg

Post natal age less than or equal to 28 days:
50 mg/kg/dose IV q12h

Post natal age greater than or equal to 29 days:
50 mg/kg/dose IV q8h

General- 1.2 to 2 kg

Post natal age less than or equal to 7 days:
50 mg/kg/dose IV q12h

Post natal age greater than or equal to 8 days:
50 mg/kg/dose IV q8h

General- Greater than 2 kg

Post natal age less than or equal to 7 days:
50 mg/kg/dose IV q8h

Post natal age greater than or equal to 8 days:
50 mg/kg/dose IV q6h

Meningitis

Post natal age less than or equal to 7 days:
66-100 mg/kg/dose IV q8h

Post natal age greater than 8 days:
75 mg/kg/dose IV q6h

Community Acquired Pneumonia (CAP)