Table 1.

Symptoms and signs of HY.

Age	Neuroglycopenic (PG < 30 mg/dl)	Neurogenic (PG < 55–65 mg/dl)
Newborn	Poor suck or poor feeding, weak or high–pitched cry, change in level of consciousness (lethargy, coma), seizures, hypotonia.	Jitteriness/tremors, pallor, sweating, irritability, tachypnea.
Infant–Child	Warmth, weakness, difficulty thinking, confusion, tiredness, drowsiness, coma, death.	Cholinergic system: sweating, hunger, tingling.
		Adrenergic system: shakiness, tremulousness, heart pounding, nervousness, anxiety.