* Anything with caffeine, including coffee, black or green tea, soda, and chocolate * Dairy, with the exception of yogurt * Spicy foods such as chile peppers, salsa, and curries * Acidic foods, such as tomatoes, citrus fruits, and orange juice * High-fiber foods, such as lentils, beans, broccoli, Brussels sprouts, and cabbage * Fatty foods, such as butter, red meat, ice cream, and cheese * Fried foods, such as fried chicken, fried fish, french fries, and onion rings * Alcohol * Foods high in sugar, such as chocolate, pastries, candy, soda, and ice cream * Processed foods such as crackers, cookies, and potato chips