When making a Parkinson's diagnosis, your doctor will review your medical history and symptoms, perform a careful neurological exam, and, if necessary, carry out further tests to rule out other movement disorders.
Your symptoms may be caused by a movement disorder other than Parkinson's disease if:
1. You display Parkinson's disease symptoms and features that are characteristic of an additional movement disorder.
2. The results of a brain imaging study or laboratory test, such as a blood test, confirm the presence of another movement disorder.
3. Your symptoms do not respond to Parkinson's disease medication.
Because movement disorders are not all treated the same way, it is important to get a proper diagnosis as early as possible so you can formulate the right treatment plan with your doctor.