What Are the Causes of Seizures?

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Nerve cells (neurons) in the brain create, send and receive electrical impulses, which allow the brain's nerve cells to communicate. Anything that disrupts these communication pathways can lead to a seizure. Epilepsy is the most common cause of seizures. But not every person who has a seizure has epilepsy. Sometimes seizures happen because of:
  • High fever, which can be associated with an infection such as meningitis
  • Lack of sleep
  • Low blood sodium (hyponatremia), which can happen with diuretic therapy
  • Medications
  • Head trauma that causes an area of bleeding in the brain
  • Stroke
  • Brain tumor
  • Illegal or recreational drugs, such as amphetamines or cocaine
  • Alcohol abuse, during times of withdrawal or extreme intoxication
  Keywords: causes seizure; causes seizures; seizure causes.  
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