Answer
The Rosemont Pharmaceuticals Limited product Metformin Hydrochloride 500 mg/5 ml Oral Solution has a shelf life of 12 months unopened and 28 days after opening.
Sources for this answer
- Metformin Hydrochloride 500mg/5ml Oral SolutionRosemont Pharmaceuticals Limited · emc · SmPC §6.3 Shelf life · Version 15Document updated
Sources checked