What Does Spasmodic Dysphonia Refer to?

What does spasmodic dysphonia refer to?

Spasmodic dysphonia (SD) is a chronic disorder of voice. It occurs in all age groups. If a person has SD, his vocal cords will vibrate uncontrollably, leading to hoarse voice.

There are several types of spasmodic dysphonia:

  • Abductor SD
  • Adductor SD
  • Mixed SD

The exact cause of the disease remains unknown. Often, a nervous system disorder can trigger SD. What’s more, there is no cure for SD; however, several treatments can relieve the symptoms.

Key word: spasmodic dysphonia

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