Endogenous and exogenous insulin can be distinguished by the presence or absence of C-peptide, a by-product of endogenous insulin secretion which is not present in pharmaceutical insulin. [en.wikipedia.org]

• Epilepsy

  Hypoglycaemic seizures are sometimes misdiagnosed as epilepsy. We have to pay attention to hyperinsulinemic hypoglycaemia when we see seizures with normal EEG even in infants. [ncbi.nlm.nih.gov]

• Pathologist

  Since 1989, pathologists have identified 2 different forms of the disease: a diffuse form (DiPHHI) and a focal form (FoPHHI). [ncbi.nlm.nih.gov]

• Developmental Delay

  Children who have prolonged or recurrent hyperinsulinemic hypoglycemia in infancy can suffer harm to their brains and may be developmentally delayed. [en.wikipedia.org]

• Pertussis

  Autoimmune insulin syndrome Noninsulinoma pancreatogenous hypoglycemia Reactive hypoglycemia (also see idiopathic postprandial syndrome) Gastric dumping syndrome Drug induced hyperinsulinism Sulfonylurea Aspirin Pentamidine Quinine Disopyramide Bordetella pertussis [en.wikipedia.org]

• Seizure

  At 7 months of age seizures reappeared, and hypoglycaemia associated with hyperinsulinism was observed during the seizures. With conservative therapy his blood sugar level was well controlled and he had no further seizures. [ncbi.nlm.nih.gov]

• Stroke

  Brain damage of various types ranging from stroke-like focal effects to impaired memory and thinking can occur. [en.wikipedia.org]

• Convulsions

  The blood sugar level was normal at that time, thus he was diagnosed as having benign infantile convulsion. At 7 months of age seizures reappeared, and hypoglycaemia associated with hyperinsulinism was observed during the seizures. [ncbi.nlm.nih.gov]

• Enlargement of the Liver

  For instance, babies with neonatal hyperinsulinism are often large for gestational age and may have other features such as enlarged heart and liver. [en.wikipedia.org]

• Bordetella Pertussis

  pertussis vaccine or infection D-chiro-inositol and myo-inositol Hypoglycemia due to exogenous (injected) insulin Insulin self-injected for treatment of diabetes (i.e., diabetic hypoglycemia) Insulin self-injected surreptitiously (e.g., Munchausen syndrome [en.wikipedia.org]

KEYWORDS: Autoimmune hypoglycaemia; Hyperinsulinemic hypoglycaemia; Insulinoma; Nesidioblastosis; Treatment [ncbi.nlm.nih.gov]

High dose glucocorticoid is an older treatment used for presumptive transient hyperinsulinism but incurs side effects with prolonged use. Idiopathic hypoglycemia [en.wikipedia.org]

[…] hyperinsulinism (glutamate dehydrogenase gain-of-function mutations) Short chain acyl coenzyme A dehydrogenase deficiency Carbohydrate-deficient glycoprotein syndrome (Jaeken's Disease) Beckwith-Wiedemann syndrome(suspected due to hyperinsulinism but pathophysiology [en.wikipedia.org]

Further therapy and prevention depends upon the specific cause. Most hypoglycemia due to excessive insulin occurs in people who take insulin for type 1 diabetes. [en.wikipedia.org]