Table 2.

Institutional criteria for intraoperative antibiotic redosing intervals for prevention of surgical site infections

Antibiotic	Redosing interval, ha
Cefoxitin	2-3
Cefotaxime	2-3
Ampicillin/sulbactam	2-4
Cefuroxime	2-4
Cefazolin	2-5
Clindamycin	3-6
Metronidazole	6-8
Vancomycinb	6-12

^aThe redosing interval is in accordance with drug information.^{5,10,12,15-25}

^bRedosing for vancomycin is not indicated when creatinine clearance <30 mL/min.