Penicillin Allergy (IgE Mediated)

The following formulary cephalosporins are NOT expected to cross react with Penicillin allergies.

Secondary to similar side chains the following Cephalosporins should be used with extreme caution or avoided altogether with stated Penicillin allergy.

Avoid List

Cephalothin (Keflin)

Cephaloridine (Ceporan)