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Hemifacial spasm patient before and after botulinum toxin injection

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Hemifacial spasm patient before and after botulinum toxin injection

44-year-old woman with 3-year history of right hemifacial spasm is first shown before botulinum toxin injection. After botulinum toxin injection, there is a dramatic reduction in right hemifacial spasm. (Contributed by Dr. Kathleen Shannon.)

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Associated Disorders

  • Hearing loss due to stapedius muscle spasm
  • Neurovascular compression
  • Tinnitus (Subjective tinnitus)
  • Tremors
  • Trigeminal neuralgia (Trigeminal neuralgia and other cranial neuralgias)