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Heartburn is a common digestive discomfort characterized by a burning sensation or discomfort in the chest, often behind the breastbone. It occurs when stomach acid backs up into the tube that carries food from the mouth to the stomach (esophagus). The medical term for this condition is gastroesophageal reflux (GERD) or acid reflux.

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What causes heartburn?

The primary cause of heartburn is the weakening of the lower esophageal sphincter (LES), a muscle that separates the esophagus from the stomach. When the LES doesn’t close properly, stomach acid can flow back into the esophagus, leading to the irritation and burning sensation associated with heartburn. Certain foods, beverages, and lifestyle factors, such as obesity and pregnancy, can contribute to the development of heartburn.

Symptoms of heartburn:

Heartburn symptoms include a burning sensation in the chest, a sour or bitter taste in the mouth, regurgitation of food or liquid, and discomfort while lying down or bending over.

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