Patients who are allergic to penicillin may have a cross-allergenicity with which of the following?

Question

Quizplus · Accepted Answer

Cephalosporins are structurally similar to penicillin and thus, patients who are allergic to penicillin may have cross-allergenicity with cephalosporins. Tetracycline, macrolides, and clarithromycin do not have structural similarity to penicillin and are safe to use in patients allergic to penicillin.

Patients Who Are Allergic to Penicillin May Have a Cross-Allergenicity