<unk>  is a medical term referring to a variety of<unk>  disorders in which hypoglycemia is caused by excessive insulin secretion.<unk>  forms of hyperinsulinemic hypoglycemia can be transient or persistent, mild or severe. These conditions are present at birth and most become apparent in early infancy. The severe forms can cause obvious problems in the first hour of life, but milder forms may not be detected until adult years.
Mild cases can be treated by frequent feedings, more severe cases can be controlled by medications that reduce insulin secretion or effects, and a minority of the most severe cases require surgical removal of part or most of the pancreas to protect the brain from damage due to recurrent hypoglycemia.
Congenital hyperinsulinism
Idiopathic hypoglycemia
Insulinoma
Congenital adrenal hyperplasia
Lipoid congenital adrenal hyperplasia
Glucagonoma
Hyperinsulinism
Maturity onset diabetes of the young