Cross-Reactivity of Penicillins and Cephalosporins

Cross reactivity of penicillin-allergic patients to cephalosporins has more to do with the R1 side chain than the β-lactam ring.  Carbapenem cross-reactivity is <1%, and there is no cross-reactivity with monobactams.

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Dr. Gerald Diaz @GeraldMD · 6 years ago
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