Anaphylaxis cluster linked to black market peptides, health authorities warn
At least 13 Victorians suffered life-threatening allergic reactions since July, with most cases in the past two months
Victorian health authorities are warning against the use of unregulated peptides after a cluster of anaphylaxis cases was linked to black-market products promoted on social media. New health data shows at least 13 Victorians have experienced anaphylaxis since July 2025, more than half in the past two months, with emergency departments treating patients for breathing difficulties, facial swelling and collapse.