Total 1 clinical symptoms reported for 3-hydroxy-3-methylglutaryl-CoA synthase deficiency  Very Frequent (1)

Seizure	A seizure is an intermittent abnormality of nervous system physiology characterised by a transient occurrence of signs and/or symptoms due to abnormal excessive or synchronous neuronal activity in the brain.   Synonyms:Epileptic seizure; Seizures	Very frequent