Penicillin Allergy in Children: Myths, Diagnosis, Delabelling, and Safe Antibiotic Choices

Hope & Histamine: The Paediatric Allergy Podcast · May 22, 2026 · 23m

Penicillin allergy is one of the most commonly reported drug allergies in children — but many children labelled as “penicillin allergic” are not truly allergic. In this episode, we explore why penicillin allergy labels matter, how they can affect antibiotic choices, and why accurate assessment is so important for safer, better care.

We discuss the difference between true allergic reactions and common childhood rashes, the key features clinicians look for in the history, and when referral or allergy testing may be needed. The episode also looks at penicillin allergy “delabelling” — the process…