Abnormal Facial Expressions: Symptoms & Signs

Medically Reviewed on9/10/2019

Abnormal facial expressions can occur as a result of conditions that damage the nerves to the face, such asBell's palsyor facialparalysis. Damage to the brain, such as withstrokeortransient ischemic attack, can also cause impaired movement, including changes in facial expressions. Patients with a number of psychiatric conditions may display abnormal facial expressions, particularly thepsychotic disorders, in which an individual's sense of reality is impaired. Facial tics, such as those that occur inTourette syndrome, are one form of abnormal facial expressions.

Other causes of abnormal facial expressions

  • Blepharospasm
  • BrainTrauma
  • Facial Paralysis
  • Hemifacial Spasm
  • Meige Syndrome
  • Myoclonus
  • NeurolepticMalignantSyndrome
  • Nonconvulsive Status Epilepticus
  • OromandibularDystonia
  • Rett Syndrome
  • Tardive Dyskinesia
  • Wilson Disease

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References
Kasper, D.L., et al., eds.Harrison's Principles of Internal Medicine, 19th Ed. United States: McGraw-Hill Education, 2015.
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