What digestive tract illness often is a manifestation of diabetes?

Gastroparesis is a digestive-tract illness often associated with diabetes. It slows or stops food from moving from the stomach into the small intestine, even when there is no physical blockage.

Diabetes is the most common known cause of gastroparesis. Persistently high blood glucose can damage the vagus nerve, which helps coordinate the stomach muscles and digestive movement. When those signals weaken, food may remain in the stomach too long.

Typical symptoms include feeling full soon after starting a meal, prolonged fullness, nausea, vomiting, bloating, and abdominal pain. Gastroparesis can also make diabetes harder to manage because glucose enters the bloodstream unpredictably.

A common mix-up is confusing gastroparesis with an intestinal obstruction. Gastroparesis is defined by delayed stomach emptying without a blockage. Doctors may confirm it with tests such as gastric-emptying scintigraphy or a breath test. Diabetes is not the only cause; surgery, certain medicines, and neurological disorders can also trigger it.