Answer
The Zentiva benzydamine hydrochloride 0.15% w/v oromucosal spray product has a shelf life of 3 years before opening and 6 months after first opening.
Sources for this answer
- Benzydamine Hydrochloride 0.15 % w/v Oromucosal SprayZentiva · emc · SmPC §6.3 Shelf life · Version 1Document updated
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