Mayo Clinic Health Manager
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By Mayo Clinic staffSee your doctor if you have any of the symptoms associated with Parkinson's disease — not only to diagnose the illness but also to rule out other causes for your problem. For instance, tremor is often an early sign of Parkinson's disease, but the most common type of tremor, known as essential tremor, isn't caused by Parkinson's.
Although Parkinson's disease can sometimes be difficult to pin down, getting an accurate diagnosis is the key to starting appropriate treatment that may help delay or manage symptoms for years.