What causes of tremor should be considered in the differential diagnoses of Parkinson disease (PD)?

Updated: Jan 24, 2019
  • Author: Robert A Hauser, MD, MBA; Chief Editor: Selim R Benbadis, MD  more...
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Answer

When a patient presents with tremor, the clinician evaluates the patient's history and physical examination findings to differentiate Parkinson disease tremor from other types of tremor. In patients with parkinsonism, careful attention to the history is necessary to exclude causes such as drugs, toxins, or trauma. (See Differential Diagnosis.) Other common causes of tremor include essential tremor, physiologic tremor, and dystonic tremor.


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