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What is Dysphagia?

What is Dysphagia?

Difficulty swallowing (dysphagia) means it takes more time and effort to move food or liquid from your mouth to your stomach. Dysphagia may also be associated with pain. In some cases, swallowing may be impossible. Occasional difficulty swallowing, which may occur when you eat too fast or don't chew your food well enough, usually isn't cause for concern. But persistent dysphagia may indicate a serious medical condition requiring treatment. Dysphagia can occur at any age, but it's more common in older adults. The causes of swallowing problems vary, and treatment depends on the cause.

Symptoms

Signs and symptoms associated with dysphagia may include:

Having pain while swallowing (odynophagia)

  • Being unable to swallow
  • Having the sensation of food getting stuck in your throat or chest or behind your breastbone (sternum)
  • Drooling
  • Being hoarse
  • Bringing food back up (regurgitation)
  • Having frequent heartburn
  • Having food or stomach acid back up into your throat
  • Unexpectedly losing weight
  • Coughing or gagging when swallowing
  • Having to cut food into smaller pieces or avoiding certain foods because of trouble swallowing

Causes

Swallowing is complex, and a number of conditions can interfere with this process. Sometimes the cause of dysphagia can't be identified. However, dysphagia generally falls into one of the following categories.

Esophageal dysphagia

Esophageal dysphagia refers to the sensation of food sticking or getting hung up in the base of your throat or in your chest after you've started to swallow. Some of the causes of esophageal dysphagia include:

  • Achalasia. When your lower esophageal muscle (sphincter) doesn't relax properly to let food enter your stomach, it may cause you to bring food back up into your throat. Muscles in the wall of your esophagus may be weak as well, a condition that tends to worsen over time.
  • Diffuse spasm. This condition produces multiple high-pressure, poorly coordinated contractions of your esophagus, usually after you swallow. Diffuse spasm affects the involuntary muscles in the walls of your lower esophagus.
  • Esophageal stricture. A narrowed esophagus (stricture) can trap large pieces of food. Tumors or scar tissue, often caused by gastroesophageal reflux disease (GERD), can cause narrowing.
  • Esophageal tumors. Difficulty swallowing tends to get progressively worse when esophageal tumors are present.
  • Foreign bodies. Sometimes food or another object can partially block your throat or esophagus. Older adults with dentures and people who have difficulty chewing their food may be more likely to have a piece of food become lodged in the throat or esophagus.
  • Esophageal ring. A thin area of narrowing in the lower esophagus can intermittently cause difficulty swallowing solid foods.
  • Gastroesophageal reflux disease (GERD). Damage to esophageal tissues from stomach acid backing up into your esophagus can lead to spasm or scarring and narrowing of your lower esophagus.

Treatment

Treatment for dysphagia depends on the type or cause of your swallowing disorder. For oropharyngeal dysphagia, your doctor may refer you to a speech or swallowing therapist, and therapy may include:

  • Exercises. Certain exercises may help coordinate your swallowing muscles or restimulate the nerves that trigger the swallowing reflex.
  • Learning swallowing techniques. You may also learn ways to place food in your mouth or to position your body and head to help you swallow.

Although swallowing difficulties can't be prevented, you can reduce your risk of occasional difficulty swallowing by eating slowly and chewing your food well. Early detection and effective treatment of GERD can lower your risk of developing dysphagia associated with an esophageal stricture.