What Causes Acid Reflux?

Though the root causes are often unclear, perhaps the most prevalent acid reflux cause is a poor diet. Acid reflux occurs during digestion, when the stomach churns up acid or refluxes it into the esophagus, causing a burning sensation in the chest or throat.

So if you eat too many highly acidic foods like tomato sauces and/or fatty, fried foods, the stomach has to process an overabundance of acid. Too much acid can push back through a valve between the stomach and the esophagus called the lower esophageal sphincter (LES). Acid reflux culprits include but are not limited to tomato based sauces, fried and fatty foods, chocolate, alcohol, citrus fruits, peppers, and caffeinated beverages.

Along the same lines as diet, overeating also causes reflux. When you overeat, the stomach can