Heartburn occurs when acid from the stomach refluxes back up the oesophagus. It is described as a burning sensation, felt in the centre of the chest behind the breastbone, moving up toward the throat and neck. It is the most common symptom of gastro-oesophageal reflux disease (GORD), together with the regurgitation of stomach acid. GORD is defined on the basis of troublesome symptoms and/or physical damage resulting from gastro-oesophageal reflux, also called acid reflux.

Heartburn is a common symptom of gastro-oesophageal reflux disease (GORD), a condition in which stomach acid refluxes up the esophagus and causes burning sensations in the chest, throat, and neck.

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Heartburn and gastro-oesophageal reflux disease : gastrointestinal tract

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