Answer
Colobreathe (colistimethate sodium) 1,662,500 IU inhalation capsules have a shelf life of 3 years.
Sources for this answer
- Colobreathe 1,662,500 IU inhalation powder, hard capsulesEssential Pharma Ltd · emc · SmPC §6.3 Shelf life · Version 1Document updated
Sources checked