Rare cause of hypoglycemia and is described as a condition in which symptomatic hypoglycemia is provoked by high protein feedings. Hypoglycemia is also elicited by administration of oral or intravenous infusions of a single amino acid, leucine. [http://www.uniprot.org/diseases/DI-01896]. The phenotype is leucine-induced hypoglycemia (EFO_0006856). Also known as: LIH, hypoglycemia, leucine-induced.