Answer
Avamys (fluticasone furoate) nasal spray has a shelf life of 3 years before first use and an in-use shelf life of 2 months.
Sources for this answer
- AVAMYS 27.5 micrograms/spray, nasal spray suspensionGlaxoSmithKline UK · emc · SmPC §6.3 Shelf life · Version 24Document updated
Sources checked