Answer
Benylin Herbal Chesty Coughs Sugar Free Syrup requires no special storage conditions before first opening; after first opening, do not store above 25 °C.
Sources for this answer
- Benylin Herbal Chesty Coughs Sugar Free SyrupMcNeil Products Ltd · emc · SmPC §6.4 Special precautions for storage · Version 1Document updated
Sources checked