www what is metformin used to treat
metformin is used to treat type 2 diabetes either alone or in combination with insulin or other oral diabetes medications common side effects of metformin include headache nausea vomiting diarrhea gas stomach pain and indigestion insulin and metformin are both used in the treatment of diabetes to help control blood glucose sugar levels diabetes is a condition in which the body may not produce enough insulin may not produce any insulin or may not be able to use the insulin properly