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Parkinson's Disease

Frequently Asked Questions

2. What are the symptoms of Parkinson's disease?

Parkinson's belongs to a group of conditions called movement disorders. The four main symptoms of Parkinson's disease are:

  • tremor, or trembling in hands, arms, legs, jaw, or head
  • rigidity, or stiffness of the limbs and trunk
  • bradykinesia, or slowness of movement
  • postural instability, or impaired balance.

Other symptoms include depression, emotional changes, difficulty swallowing, speech changes, urinary problems, sleep problems, and dementia and other cognitive problems.