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neurological

Epilepsy

A neurological disorder characterized by recurrent seizures caused by abnormal electrical activity in the brain.

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Overview

Epilepsy is a chronic neurological disorder characterized by recurrent, unprovoked seizures — sudden bursts of electrical activity in the brain that cause changes in behavior, movements, feelings, or consciousness. About 1 in 26 people will develop epilepsy in their lifetime.

Seizures are classified by where they start in the brain: focal (starting in one area), generalized (starting on both sides), or unknown onset. They can cause convulsions, loss of awareness, staring spells, unusual sensations, or emotional changes. Some people have a single seizure type; others have multiple types.

Epilepsy can develop at any age, with peaks in childhood and after age 60. Causes include genetics, brain injury, stroke, infections, tumors, and developmental disorders, though in many cases the cause is unknown. While epilepsy can't always be cured, about 70% of people achieve seizure control with medication. For those who don't, surgical options, dietary therapies, and neurostimulation devices can be effective.

Symptoms

  • Convulsions — uncontrollable jerking of arms and legs
  • Loss of awareness or consciousness
  • Staring spells with no response to stimuli
  • Confusion or disorientation after a seizure
  • Unusual sensations — smells, tastes, sounds, or visual changes (auras)
  • Repetitive movements like lip-smacking or hand rubbing
  • Sudden falls or loss of muscle tone
  • Temporary confusion, memory loss, or speech difficulty
  • Emotional changes — sudden fear, joy, or déjà vu
  • Sleep disturbances

Diagnosis

  1. Electroencephalogram (EEG) — records electrical activity of the brain; can detect abnormal patterns even between seizures
  2. MRI of the brain — to identify structural causes like scars, tumors, or malformations
  3. CT scan — in emergency settings to rule out acute causes
  4. Blood tests — to rule out infections, metabolic causes, or electrolyte imbalances
  5. Neuropsychological testing — to assess cognitive function
  6. Video-EEG monitoring — prolonged monitoring in a hospital to capture and classify seizures precisely

An epileptologist (neurologist specializing in epilepsy) or general neurologist makes the diagnosis.

Treatments

  • Antiseizure medications (ASMs) — over 20 options including levetiracetam, lamotrigine, valproate, carbamazepine, and newer drugs; chosen based on seizure type and individual factors
  • Epilepsy surgery — resection of the seizure focus for drug-resistant epilepsy; can be curative in carefully selected patients
  • Vagus nerve stimulation (VNS) — an implanted device that reduces seizure frequency
  • Responsive neurostimulation (RNS) — an implanted device that detects and stops seizures
  • Ketogenic diet — high-fat, low-carbohydrate diet; particularly effective for some childhood epilepsies
  • Deep brain stimulation (DBS) — for drug-resistant epilepsy
  • Lifestyle — adequate sleep, stress management, avoiding triggers, medication adherence
  • Rescue medications — benzodiazepines for prolonged or cluster seizures

Your Care Plan

A step-by-step guide to navigating your condition, from finding the right doctors to advocating for the care you deserve.

Step 1: Doctors to See

Start with: Your primary care physician or emergency department for a first seizure.

Then seek: A neurologist or epileptologist for diagnosis and treatment.

Build your team:

  • Epileptologist — for seizure classification and treatment
  • Neuropsychologist — for cognitive assessment
  • Neurosurgeon — if epilepsy surgery is an option
  • Psychiatrist — for mood or anxiety (common with epilepsy)
  • Social worker — for support resources and driving regulations

Step 2: Advocate for Yourself

If you've had a seizure, ask for an EEG and MRI — don't let a single seizure be dismissed without evaluation. If your seizures aren't controlled after trying two medications, ask for a referral to an epilepsy center — drug-resistant epilepsy needs specialist evaluation for surgical or device options. Keep a seizure diary noting triggers, times, and descriptions — this helps your doctor choose the right treatment. If your medication causes side effects, report them — there are many options.

Step 3: Your Action Plan

  1. After a first seizure, see a neurologist for EEG and MRI.
  2. Get an accurate seizure type classification.
  3. Start antiseizure medication as prescribed — adherence is critical.
  4. Keep a seizure diary to identify triggers and patterns.
  5. If seizures continue after two medications, ask for an epilepsy center referral.
  6. Discuss surgical or device options for drug-resistant epilepsy.
  7. Address sleep, stress, and lifestyle factors.
  8. Know your state's driving regulations and seizure-free requirements.
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