Metformin is one of the most commonly prescribed medications for managing type 2 diabetes. While it is generally well tolerated and effective, long-term use can reduce vitamin B12 levels in some people.
metformin
Diabetes and nausea – is there a relationship?
Everyone experiences nausea at some time. It is a feeling of queasiness or discomfort in the stomach that may come with an urge to vomit.
Tips for starting on metformin
Metformin, which is used to treat type 2 diabetes, is a medicine in a class called “biguanides.” It lowers blood sugar levels by decreasing the amount of glucose that your liver releases into the bloodstream.



