Acid reflux occurs when stomach acids flow back into the oesophagus, the tube that carries food and drinks from the ... When stomach acid flows back into the oesophagus, it can cause discomfort, a ...
GERD is a more serious version of acid reflux, which can also cause heartburn ... When there is acid and digestive juices that come back up, it hurts the esophagus and can lead to pain,” explained Dr.