From Psychosis to Recovery: A Case Report of N-Methyl-D-Aspartate (NMDA) Receptor Encephalitis.

Autoimmune N-methyl-D-aspartate (NMDA) receptor encephalitis is an increasingly recognized cause of severe neuropsychiatric illness, particularly in young individuals. This case report presents a detailed account of a patient diagnosed with NMDA receptor encephalitis, highlighting the clinical presentation, diagnostic challenges, and treatment approach. The patient exhibited initial symptoms of psychosis and memory disturbances, which rapidly progressed to seizures and autonomic instability, reflecting the characteristic progression of the disorder.