Laryngitis: Losing your voice-Laryngitis - Symptoms & causes - Mayo Clinic (2024)

Overview

Laryngitis is an inflammation of your voice box (larynx) from overuse, irritation or infection.

Inside the larynx are your vocal cords — two folds of mucous membrane covering muscle and cartilage. Normally, your vocal cords open and close smoothly, forming sounds through their movement and vibration.

Laryngitis: Losing your voice-Laryngitis - Symptoms & causes - Mayo Clinic (1)

How speech occurs

Speech occurs when air flows from the lungs, up the windpipe (trachea) and through the voice box (larynx). This causes the vocal cords to vibrate, creating sound. Sound is shaped into words by the muscles controlling the soft palate, tongue and lips.

Laryngitis: Losing your voice-Laryngitis - Symptoms & causes - Mayo Clinic (2)

Vocal cords open and closed

Vocal cords open when you breathe and then close to produce sound when vibrating together.

But with laryngitis, your vocal cords become inflamed or irritated. This makes the vocal cords swell, which distorts the sounds produced by air passing over them. As a result, your voice sounds hoarse. In some cases of laryngitis, your voice can become almost undetectable.

Laryngitis may be short-lived (acute) or long lasting (chronic). Most cases of laryngitis are triggered by a temporary viral infection and aren't serious. Persistent hoarseness can sometimes signal a more serious underlying medical condition.

Symptoms

In most cases laryngitis symptoms last less than a couple of weeks and are caused by something minor, such as a virus. Less often, laryngitis symptoms are caused by something more serious or long lasting. Laryngitis signs and symptoms can include:

  • Hoarseness
  • Weak voice or voice loss
  • Tickling sensation and rawness in your throat
  • Sore throat
  • Dry throat
  • Dry cough

When to see a doctor

You can manage most acute cases of laryngitis with self-care steps, such as resting your voice and drinking plenty of fluids. Strenuous use of your voice during an episode of acute laryngitis can damage your vocal cords.

Make an appointment with a doctor if your laryngitis symptoms last more than two weeks.

Seek immediate medical attention if you:

  • Have trouble breathing
  • Cough up blood
  • Have a fever that won't go away
  • Have increasing pain over weeks

Seek immediate medical attention if your child:

  • Makes noisy, high-pitched breathing sounds when inhaling (stridor)
  • Drools more than usual
  • Has trouble swallowing
  • Has difficulty breathing
  • Has a fever

These signs and symptoms may indicate croup — inflammation of the larynx and the airway just beneath it. Although croup can usually be treated at home, severe symptoms require medical attention. These symptoms can also indicate epiglottitis, an inflammation of the tissue that acts as a lid (epiglottis) to cover the windpipe (trachea), which can be life-threatening for children and adults.

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Causes

Acute laryngitis

Most cases of laryngitis are temporary and improve after the underlying cause gets better. Causes of acute laryngitis include:

  • Viral infections similar to those that cause a cold
  • Vocal strain, caused by yelling or overusing your voice
  • Bacterial infections, although these are less common

Chronic laryngitis

Laryngitis that lasts longer than three weeks is known as chronic laryngitis. This type of laryngitis is generally caused by exposure to irritants over time. Chronic laryngitis can cause vocal cord strain and injuries or growths on the vocal cords (polyps or nodules). Chronic laryngitis can be caused by:

  • Inhaled irritants, such as chemical fumes, allergens or smoke
  • Acid reflux, also called gastroesophageal reflux disease (GERD)
  • Chronic sinusitis
  • Excessive alcohol use
  • Habitual overuse of your voice (such as in singers or cheerleaders)
  • Smoking

Less common causes of chronic laryngitis include:

  • Bacterial or fungal infections
  • Infections with certain parasites

Other causes of chronic hoarseness include:

  • Cancer
  • Vocal cord paralysis, which can result from nerve injury due to surgery, injury to the chest or neck, cancer, nerve disorders, or other health conditions
  • Bowing of the vocal cords

Risk factors

Risk factors for laryngitis include:

  • Having a respiratory infection, such as a cold, bronchitis or sinusitis
  • Exposure to irritating substances, such as cigarette smoke, excessive alcohol intake, stomach acid or workplace chemicals
  • Overusing your voice, by speaking too much, speaking too loudly, shouting or singing

Complications

In some cases of laryngitis caused by infection, the infection may spread to other parts of the respiratory tract.

Prevention

To prevent dryness or irritation to your vocal cords:

  • Avoid smoking and stay away from secondhand smoke. Smoke dries your throat. It can also cause your vocal cords to become irritated.
  • Limit alcohol and caffeine. These cause you to lose total body water.
  • Drink plenty of water. Fluids help keep the mucus in your throat thin and easy to clear.
  • Keep spicy foods out of your diet. Spicy foods can cause stomach acid to go into the throat or esophagus. This can lead to heartburn or gastroesophageal reflux disease (GERD).
  • Include a variety of healthy foods in your diet. Eat fruits, vegetables and whole grains. These have several vitamins, such as vitamins A, E and C, that are important for overall health. These foods can also help keep the mucous membranes in the throat healthy.
  • Avoid clearing your throat. This does more harm than good, because it causes an abnormal vibration of your vocal cords and can increase swelling. Clearing your throat also causes your throat to secrete more mucus and feel more irritated, making you want to clear your throat again.
  • Avoid upper respiratory infections. Wash your hands often, and avoid contact with people who have upper respiratory infections such as colds.
Laryngitis: Losing your voice-Laryngitis - Symptoms & causes - Mayo Clinic (2024)

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