Spectrum: Local Antimicrobial Stewardship, for Markham Stouffville Hospital

Ampicillin - Meningitis Specific Dosing

Neonates 0-7 Days of Age

67mg/kg IV q8h

Smaller doses and longer intervals of administration may be advisable for very low–birth weight neonates (less than 2000g).

Neonates 8-28 Days of Age

75mg/kg IV q6h

Smaller doses and longer intervals of administration may be advisable for very low–birth weight neonates (less than 2000g).

Infants and Children

50-100mg/kg IV q6h
Max 3 g/dose (12g/day)

Adults

2g IV q4h