Spectrum: Local Antimicrobial Stewardship, for Eastern Health

Obstructed

Regimen of Choice

Cefazolin 2 g IV

Redosing interval

q4h

PLUS

Metronidazole 500 mg IV

Redosing interval

q8h

β-lactam Allergy

Vancomycin 20 mg/kg IV

Redosing Dose & Interval

see nomogram or monograph

PLUS

Gentamicin 5 mg/kg IV

Redosing Dose & Interval

Not necessary unless significant blood loss as this is q24h dosage regimen

PLUS

Metronidazole 500 mg IV

Redosing interval

q8h

Post-op Antibiotics

None