GERD — gastroesophageal reflux disease — is more than just chronic heartburn. Although heartburn is the most common symptom of this disease, GERD is a condition in which stomach acid or, occasionally, bile flows back (refluxes) into your food pipe (esophagus). The constant backwash or acid reflux can irritate the lining of your esophagus and cause inflammation. Such irritation can lead to complications such as narrowing of the esophagus, ulcers and even a slightly increased risk of esophageal cancer.

Most people can manage the discomfort of heartburn with lifestyle modifications and over-the-counter medications. But if you have GERD, these remedies may offer only temporary or partial relief. If you have GERD, you may need newer, more potent medications, possibly even surgery, to reduce symptoms.