Have you ever developed an itchy, red rash after applying a new lotion, using rubber gloves, or even a supposedly “natural” ...

A skin test cannot diagnose any other types of drug allergy. Although 10% of individuals receive a diagnosis of a penicillin allergy, it is not a true allergy in more than 90% of these people.

NAFCILLIN, 6-(2-ethoxy-1-naphthamido) ... S. Treatment of skin infections with nafcillin. ... National Institute of Allergy and Infectious Diseases.

If you have ever had an allergic reaction to penicillin, you may have been told to also avoid cephalosporin antibiotics. Most people with penicillin allergy can tolerate cephalosporin antibiotics ...

Half were treated with cefazolin and half with nafcillin. The primary source of infection was an intravenous catheter in 24% of the patients and skin or wound infection in 16%.