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Gastroparesis is a condition in which the stomach muscles do not work properly. As a result, food empties from the stomach very slowly, or not at all. Children with this disorder may feel full all the time, be very nauseous, have pain or vomit undigested food left in the stomach.
Gastroparesis slows or stops the movement of food from the stomach to the small intestine. Most people diagnosed with gastroparesis have idiopathic gastroparesis, which means a health care provider cannot identify the cause, even with medical tests. Diabetes is the most common known cause of gastroparesis.