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  1. Encephalitis - Symptoms and causes - Mayo Clinic

    May 16, 2024 · Encephalitis (en-sef-uh-LIE-tis) is inflammation of the brain. It can be caused by viral or bacterial infections, or by immune cells mistakenly attacking the brain.

  2. Autoimmune encephalitis - Symptoms and causes - Mayo Clinic

    Dec 13, 2024 · Autoimmune encephalitis (en-sef-uh-LIE-tis) is a group of conditions that causes swelling in the brain. This happens because the immune system mistakenly attacks brain cells.

  3. Mayo Clinic Q and A: Understanding encephalitis: Symptoms, …

    Dec 12, 2024 · For some patients, infections from bacteria or viruses can cause their illness, which is called infectious encephalitis. For other patients, their own immune system causes the …

  4. Types of encephalitis: A Mayo Clinic expert explains

    Feb 20, 2024 · Encephalitis is a disease referring to the inflammation or swelling of the brain. Broadly, it can happen because of infections, including viral infections, or the immune system acting up.

  5. Autoimmune epilepsy - Symptoms and causes - Mayo Clinic

    Dec 21, 2024 · Autoimmune encephalitis (en-sef-uh-LIE-tis) is a group of conditions that causes swelling in the brain. This happens because the immune system mistakenly attacks brain cells.

  6. Encephalitis - Diagnosis and treatment - Mayo Clinic

    May 16, 2024 · Serious illness associated with encephalitis is usually severe and relatively sudden, so seek emergency medical care. Your healthcare team will likely include specialists in …

  7. Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS)

    May 11, 2023 · Causes The cause of myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is still unknown. A combination of factors may be involved, including: Genetics. …

  8. Paraneoplastic syndromes of the nervous system - Symptoms and …

    Feb 20, 2024 · Limbic encephalitis. This syndrome involves swelling, known as inflammation, of an area of the brain known as the limbic system. The limbic system controls emotions, …

  9. Hepatic encephalopathy - Symptoms and causes - Mayo Clinic

    May 31, 2025 · Causes Hepatic encephalopathy is caused by a buildup of toxins, especially ammonia, when the liver can't filter waste from the blood. This buildup may result from: Alcohol …

  10. Autoimmune encephalitis - Diagnosis and treatment - Mayo Clinic

    Dec 13, 2024 · Autoimmune encephalitis treatment focuses on the immune system, which is mistakenly attacking brain cells. If a tumor is causing autoimmune encephalitis, the first step is …