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12 Common Causes of Acid Reflux

By By NRI Staff • Updated December 19, 2022

two women holding glass of champagnes

Acid reflux is a condition in which the stomach contents flow back up into the esophagus. This occurs when the valve between your stomach and esophagus called the lower esophageal sphincter (LES) relaxes, allowing stomach acid to flow back up into the esophagus. The stomach contents can irritate and damage the lining of the esophagus, causing pain and discomfort. 

Acid reflux is characterized by a burning sensation in the chest that often occurs after eating. There are many possible causes of acid reflux, including lifestyle factors, dietary choices, and medical conditions. Here are twelve of the most common causes of acid reflux.

1. Eating Large Meals

Large meals are a common cause of acid reflux. When the stomach is full, it puts pressure on the sphincter muscles between the stomach and esophagus. This pressure can cause the acids to flow back up into the esophagus. Additionally, eating large meals can cause the stomach to produce more acids, which can also lead to acid reflux.


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