Cefazolin - Adult Dosing

2 g IV q8h

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

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

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