Answer
A Flutiform inhaler has a shelf life of 2 years before opening its foil pouch and an in-use shelf life of 3 months after opening the pouch.
Sources for this answer
- flutiform 50 microgram/5 microgram, 125 microgram/5 microgram and 250 microgram/10 microgram per actuation pressurised inhalation, suspensionNapp Pharmaceuticals Limited · emc · SmPC §6.3 Shelf life · Version 5Document updated
Sources checked