I have endured si.ilar issues with metformin ...I was using metformin extended release until a years stay in Spain where I could only get the standard metformin ...I am now in Florida where I can get extended release and not having stomach issues...I have also found that specific parmacompanies...
After a prolonged absence I am returning to UK, what is approx cost of Lantus vials and Metformin 500 mg ER tabs , I am still covered by NHS system ...Thank you ...PS this is a superb forum and check it often....