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Dysarthria (slurred speech): What are the causes?

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Dysarthria (slurred speech): What are the causes?

Question

What causes dysarthria?

Richard
Arizona

Answer

Dysarthria refers to imprecise, slow and distorted speech resulting from paralysis, weakness, spasticity, or inability to control or coordinate the muscles used in speaking. Common causes of dysarthria include:

  • Stroke
  • Traumatic brain injury
  • Brain tumor
  • Degenerative disorders such as Parkinson's disease, amyotrophic lateral sclerosis (ALS) and multiple sclerosis
  • Excessive use of alcohol and certain medications, such as sedatives

Treatment of dysarthria is directed at the underlying cause when possible, which may improve speech. Speech therapy often helps people with dysarthria regain normal speech.

Last Updated: 03/07/2006
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