Infants often present with hypoketotic hypoglycemia, poor feeding, irritability, lethargy, and hepatomegaly, triggered by fasting stress or common illnesses including gastoenteritis
[orpha.net]
CUD patients may present with hypoketotic hypoglycemia, hepatic encephalopathy or dilated cardiomyopathy.
[ncbi.nlm.nih.gov]
Together these signs are called hypoketotic hypoglycemia.
[ghr.nlm.nih.gov]