Secondary prevention of anti-NMDA encephalitis involves strategies aimed at early detection, timely intervention, and management to prevent disease progression and complications. Since anti-NMDA encephalitis often presents with neuropsychiatric symptoms, prompt recognition and appropriate referral to specialized medical care are crucial.

Secondary prevention measures include:

• 1. Education and Awareness: Increasing awareness among healthcare professionals, including neurologists, psychiatrists, and primary care providers, about the clinical presentation and diagnostic criteria of anti-NMDA encephalitis can facilitate early identification and intervention.

• 2. Diagnostic Workup: Implementing a standardized diagnostic workup, including brain imaging, electroencephalography (EEG), cerebrospinal fluid (CSF) analysis, and antibody testing, can aid in confirming the diagnosis and guiding appropriate treatment.

• 3. Timely Initiation of Treatment: Early initiation of immunotherapy, such as corticosteroids, immune plasmapheresis, intravenous immunoglobulins, and rituximab, has been associated with better outcomes and reduced morbidity and mortality. Prompt removal of the underlying tumor, if present, is also important.

• 4. Multidisciplinary Approach: Collaboration among neurologists, psychiatrists, immunologists, and other specialists is essential for a comprehensive evaluation, management, and follow-up care of patients with anti-NMDA encephalitis.

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