Cefazolin
Adult

Adult

Standard Dosing

2 g IV q8h

Intrapartum Group B Streptococcus (GBS) Prophylaxis

For patients with a true allergy to penicillins (including a history of anaphylaxis)

2 g IV x 1 dose THEN 1 g IV q8h until delivery

Prophylaxis Prior to Cesarean Section

Weight < 120 kg

2 g IV x 1 dose 30 minutes prior to skin incision Re-dose if procedure lasts > 4 hours or if patient loses > 1500 mL blood

Weight > 120 kg

3 g IV x 1 dose 30 minutes prior to skin incision Re-dose if procedure lasts > 4 hours or if patient loses > 1500 mL blood