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Parkinsonian Disorders

What is Parkinsonism?

Parkinsonism refers to any condition that involves the types of movement changes seen in Parkinson's disease, such as tremors, slow movement, impaired speech, decrease in facial expressions, and muscle stiffness.

These movements are caused by changes in or destruction of nerve cells that produce the chemical dopamine in a certain area of the brain.

Not all patients who have Parkinsonism have Parkinson's disease. Parkinsonian disorders may be caused by other conditions like:

  • meningitis
  • encephalitis
  • progressive supranuclear palsy
  • stroke
  • caused by certain medications

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