Hemifacial Spasm Causes & Risks

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Hemifacial Spasm Guide

Alison Beaver

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Causes

Hemifacial spasm is believed to be due in part to compression of the facial nerve where it meets the brainstem. The compression can be cause by:

  • A blood vessel pressing on the facial nerve (most frequent cause)
  • Tumor
  • Facial nerve injury
  • Bony or other abnormalities that compress the nerve

Facial Nerve Innervation

si55551125_96472_1_facial nerve innervation.jpg
© 2009 Nucleus Medical Art, Inc.

Risk Factors

The following factor increases your chance of developing hemifacial spasm:

Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition. Copyright © 2014 EBSCO Publishing All rights reserved.

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