1. A medical condition characterized by abnormally high levels of insulin in the blood, often resulting in low blood sugar (hypoglycemia).
Usage: medical/clinical term; also called hyperinsulinemia in some contexts

Examples

• The infant was diagnosed with hyperinsulinism after experiencing repeated episodes of severe hypoglycemia.
• Persistent hyperinsulinism in newborns requires immediate medical intervention to prevent brain damage.
• Genetic mutations can cause congenital hyperinsulinism, a rare but serious condition.
• The endocrinologist explained that hyperinsulinism was causing the patient's blood sugar to drop dangerously low.
• Treatment for hyperinsulinism may include medication, dietary changes, or in severe cases, surgery.