Causes of Seizures
| Neonates (<1 month) | Perinatal hypoxia and ischemia Intracranial hemorrhage and trauma CNS infection Metabolic disturbances (hypoglycemia, hypocalcemia, hypomagnesemia, pyridoxine deficiency) Drug withdrawal Developmental disorders Genetic disorders |
| Infants and children (>1 month and <12 years) | Febrile Genetic disorders (metabolic, degenerative, primary epilepsy syndromes) CNS infection Developmental disorders Trauma |
| Adolescents (12-18 years) | Trauma Genetic disorders Infection Illicit drug use Brain tumor |
| Young adults (18-35 years) | Trauma |
| Alcohol withdrawal | |
| Illicit drug use | |
| Brain tumor | |
| Autoantibodies | |
| Older adults (>35 years) | Cerebrovascular disease |
| Brain tumor | |
| Alcohol withdrawal | |
| Metabolic disorders (uremia, hepatic failure, electrolyte abnormalities, hypoglycemia, hyperglycemia) | |
| Alzheimer's disease and other degenerative CNS diseases | |
| Autoantibodies |