Table 6.6-1. Differentiation between dumping syndrome and postprandial hypoglycemia

Dumping syndrome

Postprandial hypoglycemia

Also termed early dumping syndrome

Also termed late dumping syndrome

Occurs early in postoperative course (within 6 months)

Occurs ≥6 months, usually years after surgery

Symptoms within 15-30 min after a meal

Symptoms 1-3 h after a meal

Presents with adrenergic symptoms

Presents with neuroglycopenic +/- adrenergic symptoms

Not associated with low blood glucose level

Associated with low blood glucose level