How Metformin, Glimepiride, and Methylcobalamin Work Metformin, Glimepiride, and Methylcobalamin is a combination of three medicines.
Common side effects of Metformin, Glimepiride, and Methylcobalamin include nausea, taste changes, diarrhea, stomach pain, headache, hypoglycemia (low blood glucose level), and respiratory tract infection.