# Most Australians reporting penicillin allergy are not truly allergic

A report says the majority of Australians who believe they are allergic to penicillin are not actually allergic. Mislabeled penicillin allergy can lead to use of less effective or broader antibiotics, raising risks of treatment failure and antimicrobial resistance.

**Importance:** 3/5

## Sources

### World
- [The Guardian World](https://www.theguardian.com/australia-news/2026/oct/22/penicillin-allergy-australia-doctors-antibiotic-guidelines) — Wed, 21 Oct 2026 14:00:20 GMT