Dysarthria

Dysarthria

How to Say It: dis-ARTH-ree-ah

Definition

Dysarthria is a speech disorder. It happens when the muscles needed for speech are damaged or weak.

It is not the same as aphasia, which is a language disorder.

Mouth and Throat

Mouth Throat
Dysarthria may happen due to problems with the muscles needed to speak.
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Causes

Common causes are:

Risk Factors

This problem is more common in older adults. It is also more common in people who have any of the health problems that cause dysarthria.

Symptoms

Problems may be:

  • Speech that sounds:
    • Slurred
    • Hoarse and breathy
    • Slow or fast and mumbling
    • Soft like whispering
    • Strained
    • Nasal
    • Suddenly loud
  • Drooling
  • Trouble chewing and swallowing

Diagnosis

The doctor will ask about your symptoms and health history. A physical exam will be done. It will focus on the muscles needed for speech.

Images may be taken of the brain. This can be done with:

The electrical function of your nerves and muscles may be tested. This can be done with:

Treatment

The cause will need to be treated. Speech therapy will also be needed.

Prevention

There are no known guidelines to prevent this health problem. Managing chronic health problems may help.

RESOURCES:

American Speech-Language-Hearing Association
http://www.asha.org
National Institute of Neurological Disorders and Stroke
http://www.ninds.nih.gov

CANADIAN RESOURCES:

Heart and Stroke Foundation
http://www.heartandstroke.com
Speech-Language and Audiology Canada
http://sac-oac.ca

References:

Dysarthria. American Speech-Language-Hearing Association website. Available at: https://www.asha.org/public/speech/disorders/dysarthria. Accessed January 26, 2021.
O'Hare A, Bremner L. Management of developmental speech and language disorders: Part 1. Arch Dis Child. 2016 Mar;101(3):272-277.
Speech and language disorders. EBSCO DynaMed website. Available at: https://www.dynamed.com/condition/speech-and-language-disorders. Accessed January 26, 2021.
Stroke symptoms. American Stroke Association website. Available at:
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Accessed January 26, 2021.
Last reviewed December 2020 by EBSCO Medical Review Board Rimas Lukas, MD
Last Updated: 1/26/2021

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