What are the characteristics of facial bradykinesia in patients with 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

Facial bradykinesia is characterized by decreased blink rate and facial expression. Speech may become softer, less distinct, or more monotonal. In more advanced cases, speech is slurred, poorly articulated, and difficult to understand. Drooling is an uncommon initial symptom in isolation but is reported commonly (especially nighttime drooling) later in the disease course.


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