Parkinson’s disease is a neurological movement disorder that usually worsens over time. There are several ways to measure the progression of Parkinson’s disease (PD). One example is the five stages.

Although grouping symptoms into stages can be helpful, no two people with Parkinson’s are exactly alike. Everyone experiences their own unique symptoms and disease progression. Some develop advanced Parkinson’s disease after many years. Others experience a rapid disease progression. Here are the five stages of Parkinson’s progression and what they mean.

What Are the 5 Stages of Parkinson’s Disease?

The Parkinson’s staging system is based on the Hoehn and Yahr scale from 1967. The Hoehn and Yahr system focuses on disability caused by motor (movement) symptoms. Examples include bradykinesia (slowness of movement), tremors or shaking, and balance problems. Neurologists use the scale to track symptoms and disease progression.

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