If the hypoglycaemia is not treated it can cause brain damage, learning disability and, in severe cases, death. Neonatal onset CHI shows in the first days or weeks after birth and is the most severe form. Infant onset CHI shows in the first few months, or even years, of life and is milder.
Features of neonatal onset CHI:
- lethargy (drowsy/tired)
- apnoea (suspension of breathing)
- pallor (looking pale)
- poor feeding
Features of infant onset CH include:
- any of the above symptoms
- mood or behaviour changes.