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Zamanfar D, Keyhanian E, Ghazaiean M, Rostami Maskopaii S. The Chronic Intermittent Form of Isovaleric Acidemia With Staphylococcal Scalded Skin Syndrome: A Case Report and Literature Review. J. Pediatr. Rev. 2020; 8 (3) :181-188
URL: http://jpr.mazums.ac.ir/article-1-257-en.html

Isovaleric Acidemia (IVA) is an autosomal recessive Inborne Error of Metabolism (IEM), i.e., caused by the mutation of isovaleric-CoA dehydrogenase. Two phenotypes of IVA are reported; acute and chronic.
The case was a 3-year-old boy with chronic intermittent presentation. Elevated 3-hydroxybutyric acid and isovaleric glycine in urinary acid profile was reported. We also performed a brief review about the presented case; IVA in international databases for English language articles on children. 
Several manners exist to screen IVA patients and the best one is GC-MS in urine analysis. The prognosis of the disease depends on the early interventions.