Chili peppers contain capsaicin, which irritates the esophagus lining and relaxes the LES muscle, causing stomach acid to rise.
Citrus fruits, including oranges and lemons, are acidic and can raise stomach acid. Overeating citrus fruits causes heartburn.
Pizza, pasta, and other high-fat foods with tomatoes might worsen heartburn.
Chocolate is high in fat, which slows digestion and makes stomach acid reflux into the esophagus easier.
Fried meals, such as french fries and chicken, are heavy in fat and hard to digest. Fritters relax the LES muscle, causing acid reflux.
Mint, which is used to treat digestive disorders, includes chemicals that worsen heartburn.
Acidic onions can irritate the esophagus, especially when eaten in excessive quantities.
Alcohol causes heartburn. It relaxes LES and causes acid reflux. Wine, beer, and other acidic drinks can also irritate the esophagus.