Diabetes can affect the nerves (diabetic neuropathy), which could result in rapid gastric (stomach) emptying. They are investigations for that but they do not involve colonoscopy.
When diabetes affects intestinal motility, bacteria can overgrow in the small intestine and could cause diarrhea and bloating. In this case avoiding sugars (fructose from fruits, lactose from milk) could help.
When diabetes affects intestinal motility, bacteria can overgrow in the small intestine and could cause diarrhea and bloating. In this case avoiding sugars (fructose from fruits, lactose from milk) could help.