Acid reflux is when stomach acid flows into the esophagus and mouth, causing heartburn. GERD is a chronic form of acid reflux, and it can lead to serious health problems if untreated. Triggers of GERD ...
Stomach ulcers may cause heartburn, which may feel like a burning sensation in the chest. However, other conditions, such as gastroesophageal reflux disease (GERD), can also cause heartburn. Stomach ...