National Patient Safety Alert

Discontinuation of Promixin (colistimethate) 1-million unit powder for nebuliser solution unit dose vials

Published: 17 March 2025

Promixin® (colistimethate) 1-million-unit powder for nebuliser solution unit dose vials (UDVs) are being discontinued from early May 2025, with stocks anticipated to be exhausted by this date.

This alert is for action by all organisations involved in prescribing and dispensing Promixin® (colistimethate) 1million unit powder for nebuliser solution unit dose vials. Actions are to be completed by 30/04/2025.

The National Patient Safety Alert provides further background, clinical information and actions for providers.