Answer
Patients self-treating with Promixin (colistimethate sodium) nebuliser solution should use it immediately after preparation; if this is impossible, refrigerate for no longer than 24 hours, with chemical and physical stability demonstrated at 2–8°C in the original vial.
Sources for this answer
- Promixin 1 million International Units (IU) Powder for Nebuliser SolutionZambon UK Limited · emc · SmPC §6.3 Shelf life · Version 15Document updated
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