Does metformin cause fecal incontinence?

Metformin does not cause fecal incontinence, but there is a potential risk for developing it as a side effect. Studies have found that this risk is very rare and occurs in less than 1% of people taking metformin. When taken at the recommended doses, it is generally safe to take and has been used safely by millions of people with diabetes around the world since 1957.

However, some people may be more prone to experiencing symptoms of fecal incontinence while taking metformin due to several medical conditions or medication interactions. These include irritable bowel syndrome, Crohn’s disease, colitis, ulcerative colitis as well as certain medications such as antibiotics or non-steroidal anti-inflammatory drugs (NSAIDs). If you experience any signs or symptoms of fecal incontinence such as diarrhea, abdominal pain or cramps after starting metformin therapy then make sure to talk with your doctor so they can adjust your dosage accordingly or switch you to another medication altogether if necessary.