What causes acid reflux disease?
Several factors may increase your risk for acid reflux disease. Stomach abnormalities. One common cause of acid reflux disease is a stomach abnormality called a hiatal hernia, which can occur in people of any age. A hiatal hernia happens when the upper part of the stomach and LES move above the diaphragm. This is the muscle wall separating your stomach from your chest. When it works correctly, the diaphragm normally helps keep acid from rising into your esophagus. But if you have a hiatal hernia, it is easier for acid to move up into your esophagus. Pregnancy . Many women experience acid reflux for the first time during pregnancy. This is due to increasing levels of hormones combined with pressure from the growing fetus. Worst during the third trimester, the symptoms almost always go away after delivery. Smoking. Smoking may contribute to acid reflux disease by doing any of the following: • Damaging mucus membranes • Impairing muscle reflexes in the throat • Increasing acid secretion •
