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 ...

PENICILLIN reactions may be immediate ... to a small amount of a penicillin liquid tasted out of curiosity. The symptoms began within fifteen minutes of ingestion in 25 and within thirty minutes ...

The following is a summary of “Association of Social Determinants of Health and Penicillin Allergy Labels: a case-control ...