what are the most acidic fruits that cause heartburn?
8 Foods that Can Cause Acid Reflux and Heartburn. Here are the top foods to avoid if you have acid reflux. 1. Citrus fruit Foods that are acidic can cause acid reflux. Citrus fruits, like tangerines, lemons, and oranges, are some of the most commonly eaten acidic foods. Avoid them is a good idea, but you should also stay away from the fruit juices made from them: orange juice, pineapple juice, and grapefruit juice can all easily cause reflux.