What Causes Sour Taste in the Mouth?
What Causes Sour Taste in the Mouth?Answer: When stomach contents reflux back up into the esophagus and reach the back of the throat, you may notice a sour taste in your mouth. This could be due to a condition known as gastroesophageal reflux disease (GERD), where the lower esophageal sphincter (LES) opens inappropriately and allows stomach contents to reflux into the esophagus. Normally, the LES works like a one-way valve, opening to allow food to pass into the stomach and then closing to keep food and digestive juices from flowing back into the esophagus. But if the sphincter relaxes when it shouldn’t or becomes weak, stomach acid can flow backward into the esophagus, causing the burning sensation we know as heartburn and potentially a sour taste in your mouth. Other symptoms of GERD can include: Chest pain This pain usually starts behi
