Seizure

• uncontrolled, excessive neuronal discharge in brain
• many possible causes, can be general or focal
  

Types:

A sudden and spontaneous depolarization of neurons can lead to:

• abnormal motor and sensory function
• injuries may arise from impairment
• severe and frequent seizures can lead to permanent disability

Causes:

• congenital problems, young children display absence seizures from early age
• acquired seizures, in patients who had brain trauma or infection
• drug withdrawal may precipitate seizures
  

Signs and Symptoms:

Treatment:

• anticonvulsants (example phenytoin)
• no treatment for seizures after they start
• chronic conditions must be controlled