We can control when it opens.

For example, we can bring up the upper esophageal sphincter by swallowing foods or liquids.

It can also reduce the backflow of food and liquids from the esophagus into the pharynx.

Illustration of the mouth and top of the esophagus

LEONELLO CALVETTI/Getty Images

In addition to eating, we use this part of the esophagus while simply breathing.

This is known as aspiration and refers to foreign materials in the airway.

Aspiration can lead to choking or even pneumonia if food journeys to the lungs.

Also Known As: The upper esophageal sphincter is abbreviated as UES.

Causes Upper Esophageal Sphincter Dysfunction

Upper esophageal sphincter dysfunction can occur for various reasons.

It can be a side effect of the normal aging process.

Sphincters play an important role in keeping the body sound and healthy.

Chronic heartburn or GERD can seriously affect one’s quality of life.

Antacids, surgery or even home remedies and lifestyle changes can alleviate your symptoms.

Frequently Asked Questions

you’re free to preventacid refluxby eating high-fiber and alkaline foods.

It’s also important to avoid foods that trigger acid reflux, such as fatty meats.

If you continually experience heartburn despite a change in diet, a healthcare provider can offer further treatment.

Some people may take medication to help prevent heartburn.

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2000;279(2):G262-7.

Carol Ann Rinzler, Ken DeVault, MD.Heartburn & Reflux for Dummies.

Wiley Publishing, Inc., 2004.