Loss of Voice

(Aphonia; Partial Loss of Voice; Voice, Loss of; Voice; Partial Loss of)


Loss of voice (also called aphonia) may take several different forms. You may have a partial loss of your voice and it may sound hoarse. Or, you may have complete loss of your voice and it may sound like a whisper. Loss of voice can come on slowly or quickly depending on the cause.
Aphonia is different from aphasia, which is a language disorder.
The Larynx
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Aphonia is usually due to problems with the voice box (called the larynx). However, there can be other causes, including:

Risk Factors

Factors that may increase your chance of developing aphonia include:


Symptoms may include:

When Should I Call My Doctor?

Call your doctor if you have any of the following:
  • Hoarseness that is not getting better after 2 weeks
  • Complete loss of voice that lasts more than a few days
  • Hard, swollen lymph nodes
  • Difficulty swallowing
  • Cough up blood
  • A lump in your throat
  • Severe throat pain
  • Unexplained weight loss

When Should I Call for Medical Help Right Away?

Call for emergency medical services right away or go to the emergency room if you:
  • Suddenly lose your ability to speak—This may be a sign of a head injury or a stroke.
  • Are having trouble breathing
If you think you have an emergency, call for emergency medical services right away.


You will be asked about your symptoms and medical history. A physical exam will be done.
The cause of your symptoms may not be obvious. You may be referred to an ear, nose, and throat doctor. This doctor may use an instrument called a laryngoscope to examine your vocal cords. Other tests may also be done to evaluate your voice function.
If your doctor is concerned that there may be a neurological or psychological cause, you may be referred to other specialists.


You can take the following steps to help ease laryngitis:
Other treatments depend on the specific cause, such as:


To help reduce your chance of aphonia:


American Speech-Language-Hearing Association

National Institute on Deafness and Other Communication Disorders


Ontario Association of Speech-Language Pathologists and Audiologists

Speech-Language & Audiology Canada


Acute laryngitis. EBSCO DynaMed website. Available at: Updated April 17, 2014. Accessed August 21, 2014.

Casthely PA, Labagnara J. Hoarseness and vocal cord paralysis following coronary artery bypass surgery. J Cardiothorac Vasc Anesth. 1992;6(2):263-264.

Fact sheet: common problems that can affect your voice. American Academy of Otolaryngology—Head and Neck Surgery website. Available at: Accessed August 21, 2014.

Hoarseness or loss of voice. The Harvard Medical School Family Health Guide website. Available at: Accessed August 21, 2014.

Maniecka-Aleksandrowicz B, Domeracka-Kolodziej A, et al. Management and therapy in functional aphonia. Otolaryngol Pol. 2006;60(2):191-197.

Sancho JJ. Pascual-Damieta M, et al. Risk factors for transient vocal cord palsy after thyroidectomy. Br J Surg. 2008;95(8):961-967.

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