Riomet er?

I’m not sure what “Riomet er” refers to. Could you mean one of these?

1) Riomet (metformin)
- Riomet is a brand of metformin oral solution (liquid).

2) “ER” as in extended-release
- Some people use “ER” to mean “extended-release,” but Riomet is typically the immediate-release oral solution, not an ER formulation.

3) A different product name abbreviation
- Some countries/brands use similar suffixes, and “er” could be part of another label.

If you tell me what you want to know (for example: what it is, whether it’s extended-release, dosage, side effects, how it compares to other metformin forms, or how to take it), and your country, I can answer accurately.