Symptoms of early dumping include nausea, vomiting, bloating, diarrhea, and shortness of breath. Symptoms of late dumping include weakness, sweating, and dizziness.
Many people have both types.
Stomach surgery is the main cause of dumping syndrome because surgery may damage the system that controls digestion. Patients with Zollinger-Ellison syndrome may also have dumping syndrome. Doctors diagnose dumping syndrome through blood tests. Treatment includes changes in eating habits and medication. People who have dumping syndrome need to eat several small meals a day that are low in carbohydrates and should drink liquids between meals, not with them.