Definition

Loss of voice is called aphonia. A partial loss of voice may sound hoarse. A complete loss of voice sounds like a whisper. Loss of voice can come on slowly or quickly. It depends on the cause.

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The Larynx
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Loss of voice is often due to problems with the voice box (larynx). However, there are many causes, including:

Conditions that affect the vocal cords or airway, such as: Thickening, nodules, or polyps of the vocal chordsBreathing problems Psychological conditions

Risk Factors

Things that raise the risk of aphonia are:

Frequent talking or yelling Surgery on or around the larynx

Symptoms

Symptoms may be:

Inability to speak or make sound Hoarseness Throat pain Problems swallowing

Diagnosis

The doctor will ask about your symptoms and health history. A physical exam will be done.

The cause of the symptoms may not be clear. In this case, you may be referred to an ear, nose, and throat doctor. This doctor may use an instrument called a laryngoscope to check the vocal cords. Other tests may check voice function.

If test results are unclear, you may be referred to other specialists.

Treatment

Treatment depends on the cause. Laryngitis may be eased with:

Home care, such as:Resting the voice and drinking plenty of fluidsNot smokingUsing a cool mist humidifier Medicine, such as over-the-counter pain relievers

Depending on the cause, other treatments may be:

Voice therapy—if the condition is due to voice overuse or vocal nodules Medicine to control acid reflux Surgery to remove growths

Prevention

The risk of voice loss may be reduced by:

Avoiding irritants, such as:Fumes and toxinsExcessive talking, yelling, or whispering Treating underlying conditions Resources

American Speech-Language-Hearing Associationhttp://www.asha.org

National Institute on Deafness and Other Communication Disorders (NIDCD)https://www.nidcd.nih.gov

Canadian Resources

Ontario Association of Speech-Language Pathologists and Audiologistshttp://www.osla.on.ca

Speech-Language & Audiology Canadahttp://www.sac-oac.ca

References

Common problems that can affect your voice. American Academy of Otolaryngology—Head and Neck Surgery website. Available at: http://www.entnet.org/content/common-problems-can-affect-your-voice. Accessed March 29, 2021.

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Hartnick C, Ballif C, et al. Indirect vs direct voice therapy for children with vocal nodules: a randomized clinical trial. JAMA Otolaryngol Head Neck Surg. 2018;144(2):156-163.

Laryngitis. EBSCO DynaMed website. Available at: https://www.dynamed.com/condition/laryngitis Accessed March 29, 2021.

Vocal cord disorders. The Harvard Medical School Family Health Guide website. Available at: https://www.health.harvard.edu/diseases-and-conditions/vocal-cord-disorders. Accessed March 29, 2021.