M-A: Most patients with allergy to Penicillin can be given Cefazolin

Assessment of the Frequency of Dual Allergy to Penicillins and Cefazolin: A Systematic Review and Meta-analysis – JAMA Surgery

Commentary: Common antibiotic can safely be given to most surgery patients despite penicillin allergy – Massachusetts General Hospital

Commentary on Twitter (thread – click for more)

1/Returning to my first love #antibioticallergy #penicillin allergy with @PharmerMeg to announce to #IDtwitter #MedTwitter that if you see a patient with a "penicillin allergy" history, the likelihood of them having a reaction to cefazolin/ancef is 0.7%. https://t.co/czVX6wik2Y

— Kimberly Blumenthal, MD, MSc (@KimberlyBlumen1) March 17, 2021