How is craniofacial tremor differentiated from hemifacial spasm?

Updated: Sep 16, 2019
  • Author: Steven Gulevich, MD; Chief Editor: Nicholas Lorenzo, MD, MHA, CPE  more...
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Craniofacial tremor may occur in association with essential tremor, Parkinson disease, thyroid dysfunction, or electrolyte disturbance. It occurs rarely in isolation. Focal motor seizures must occasionally be distinguished from other facial movement disorders, particularly hemifacial spasm. Postictal weakness and greater involvement of the lower face are distinguishing features of focal motor seizures.

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