Mondo Description Isovaleric acidemia (IVA) is an autosomal recessively inherited organic aciduria characterized by a deficiency in isovaleryl-CoA dehydrogenase, that has wide clinical variability and that can present in infancy with acute manifestations of vomiting, failure to thrive, seizures, lethargy, a characteristic ''sweaty feet'' odor, acute pancreatitis and mild to severe developmental delay or in childhood with metabolic acidosis (brought on by prolonged fasting, an increased intake of protein-rich food or infections) and that can be fatal if not treated immediately. Chronic intermittent presentations and asymptomatic patients have also been reported.

Uniprot Description A metabolic disorder characterized by retarded psychomotor development, a peculiar odor resembling sweaty feet, an aversion to dietary protein, and pernicious vomiting, leading to acidosis and coma. The acute neonatal form leads to massive metabolic acidosis from the first days of life and rapid death.

Disease Ontology Description An organic acidemia that disrupts or prevents normal metabolism of the branched-chain amino acid leucine.