Answer
Otrivine Congestion Relief 0.1% Nasal Spray containing xylometazoline hydrochloride has a shelf life of 30 months, but the bottle must not be used for more than 28 days after opening.
Sources for this answer
- Otrivine Congestion Relief 0.1% Nasal SprayHaleon UK Trading Limited · emc · SmPC §6.3 Shelf life · Version 10Document updated
Sources checked