what food causes acird reflux
WHAT CAUSES ACID REFLUX DISEASE The main cause of acid reflux disease is a problem with the lower esophageal sphincter (LES) muscle. This muscle, which is the âvalveâ between the stomach and the esophagus, normally closes tightly after food has passed through to the stomach.ertain foods can trigger heartburn symptoms. associated with acid reflux. Foods to avoid include: 1  Spicy, fried, or fatty foods. 2  Tomato-based foods such as pizza, 3  pasta sauce, and salsa. 4  Citrus fruits and juices. 5  Onions and garlic.