Your esophagus is the tube that carries food from your mouth to your stomach. Gastroesophageal reflux disease (GERD) happens when a muscle at the end of your esophagus does not close properly. This allows stomach contents to leak back, or reflux, into the esophagus and irritate it.

You may feel a burning in the chest or throat called heartburn. Sometimes, you can taste stomach fluid in the back of the mouth. This is acid indigestion. If you have these symptoms more than twice a week, you may have GERD.

What causes GERD?

The reason some people develop GERD is still unclear. However, research shows that in people with GERD, the LES relaxes while the rest of the esophagus is working. Anatomical abnormalities such as a hiatal hernia may also contribute to GERD. A hiatal hernia occurs when the upper part of the stomach and the LES move above the diaphragm, the muscle wall that separates the stomach from the chest. Normally, the diaphragm helps the LES keep acid from rising up into the esophagus. When a hiatal hernia is present, acid reflux can occur more easily. A hiatal hernia can occur in people of any age and is most often a normal finding in otherwise healthy people over age 50. Most of the time, a hiatal hernia produces no symptoms.

GERD Symptoms

Adults

Heartburn is the major symptom of acid in the esophagus, characterized by burning discomfort behind the breastbone (sternum). Findings in GERD include esophagitis (reflux esophagitis) — inflammatory changes in the esophageal lining (mucosa) —, strictures, difficulty swallowing (dysphagia), and chronic chest pain. Patients may have only one of those symptoms. Typical GERD symptoms include cough, hoarseness, voice changes, chronic ear ache, burning chest pains, nausea or sinusitis. GERD complications include stricture formation, Barrett’s esophagus, esophageal spasms, esophageal ulcers, and possibly even lead to esophageal cancer, especially in adults over 60 years old.

How is GERD diagnosed and evaluated?

Symptoms and response to treatment (therapeutic trial)

The usual way that GERD is diagnosed—or at least suspected—is by its characteristic symptom, heartburn. Heartburn is most frequently described as a sub-sternal (under the middle of the chest) burning that occurs after meals and often worsens when lying down. To confirm the diagnosis, physicians often treat patients with medications to suppress the production of acid by the stomach. If the heartburn then is diminished to a large extent, the diagnosis of GERD is considered confirmed.

Treatments and drugs

Antacids. Antacids, such as Maalox, Mylanta, Gelusil, Rolaids and Tums, neutralize stomach acid and can provide quick relief. But antacids alone won’t heal an inflamed esophagus damaged by stomach acid. Overuse of some antacids can cause side effects such as diarrhea or constipation.

A doctor may also recommend different medications to relieve symptoms. Over-the-counter antacids, such as Alka-Seltzer or Maalox, work by neutralizing stomach acid and can help with mild symptoms. Other medications called H2 blockers are available over the counter and by prescription and help by blocking the production of stomach acid. If your doctor thinks you should take these, he or she will recommend certain over-the-counter medications or write you a prescription.

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