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Majority of Australians who report penicillin allergy not truly allergic

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This story was selected and curated by our editorial team in the Australia news category. Published on October 21, 2026 • Originally reported by Jack Larkin. OMEGAZEPRIME provides independent news coverage and analysis for our readers. Stay informed with the latest developments.

Peak body for immunologists changes guidelines as evidence shows up to 90% of those reporting allergy don’t have one

The majority of Australians who report a penicillin allergy are not truly allergic, prompting the peak body for immunologists to change its guidelines in a bid to reduce hospitals stays and tackle antimicrobial resistance.

Penicillin, one of the most commonly prescribed antibiotics in Australia, was thought to cause allergies in 10% of Australians, or about 2.8 million people.

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