AGE OF ONSET OF EPILEPSY
Inherited metabolic diseases
Neonatal period to early infancy
- Pyridoxine dependency, biotinidase deficiency
- Amino acidopathies, organic acidopathies
- Urea cycle disorders
- Menkes' syndrome, Alpers' disease
- Glucose transporter protein deficiency
- Molybdenum cofactor deficiency
- Peroxisomal and mitochondrial diseases
Late infancy to early childhood
- Lysosomal storage diseases
- Neuronal ceroid-lipofuscinoses, Haltia-Santavuori variant (CLN1)
- Leigh disease
- Cockayne's syndrome
Childhood and adolescence
- Juvenile Gaucher's disease
- Juvenile GM2 gangliosidosis
- Multiple sulfatase deficiency
- Sanfilippo's syndrome
- Sialidosis
- Neuronal ceroid-lipofuscinosis, juvenile (CLN3)
- MELAS, MERRF
- Unverricht-Lundborg disease
- Lafora's disease
MELAS = mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes
MERRF = myoclonic epilepsy with ragged red fibers.