Antibiotics, particularly penicillins and cephalosporins are a common cause of drug allergy in surgical patients. Allergic reactions occur in 1% to 4% of all β-lactam administrations, but only 0.004% to 0.015% of these reactions result in anaphylaxis. As great as 2% of the population is allergic to penicillin. Among patients with a penicillin allergy, 2-7 […]