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Spasmodic Dysphonia

Abstract

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Synonyms of Spasmodic Dysphonia

  • CSD (Chronic Spasmodic Dysphonia)
  • Dysphonia Spastica
  • Laryngeal Dystonia
  • SD
  • Spastic Dysphonia

Disorder Subdivisions

  • Abductor Spasmodic Dysphonia
  • Adductor Spasmodic Dysphonia

General Discussion

Spasmodic dysphonia is a voice disorder characterized by momentary periods of uncontrolled vocal spasms, tightness in the throat, and/or recurrent hoarseness. At certain times, affected individuals must make a conscious effort to speak. The most frequent sign of this disorder is a sudden, momentary lapse or interruption of the voice. Spasmodic dysphonia is a form of dystonia, a group of neurological movement disorders characterized by involuntary muscle spasms.

There are two types of spasmodic dysphonia: Abductor spasmodic dysphonia and the more common adductor spasmodic dysphonia. The cause of spasmodic dysphonia is not known.

Organizations related to Spasmodic Dysphonia

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