Table 1

Common causes of acute onset psychosis in children.

ConditionCauses
Metabolic diseaseHypoglycemia
Electrolytes disturbances
Hepatic failure
Uremia
Inborn error of metabolism
Wilson disease
CNS abnormalityCNS infections (meningitis, encephalitis)
Stroke
Tumor
Temporal lobe epilepsy
Hypoxia
Head traumatism
IntoxicationsDrugs
Carbon monoxide
Immune-mediated conditionsPost-streptococcal infection (PANDAS)
Systemic lupus erythematosus
Hashimoto encephalopathy
Auto-antibodies encephalitis
Antiphospholipid syndrome
  • PANDAS - Pediatric Autoimmune Neuropsychiatric Disorder Associated with Streptococcal Infections, CNS - central nervous system