Acid reflux occurs when the sphincter muscle at the lower end of your esophagus relaxes at the wrong time, allowing stomach acid to back up into your esophagus this can cause heartburn and other signs and symptoms frequent or constant reflux can lead to gastroesophageal reflux disease (gerd). Is acid reflux a disease. Gastro-oesophageal reflux disease (gord) is a common condition, where acid from the stomach leaks up into the oesophagus (gullet) it usually occurs as a result of the ring of muscle at the bottom of the oesophagus becoming weakened.
is acid reflux a disease
