Causes of Heartburn Stomach acid is necessary for normal digestion, but when it moves from the stomach up the esophagus, that's when you feel the burn we call heartburn. Lots of things can cause heartburn, such as overeating, stress, or acid reflux. You can even experience 'breakthrough heartburn' while taking a preventative heartburn medicine. The good news is, there are lots of good treatments, too. | Heartburn Prevention So many of the things we encounter every day can trigger heartburn. Eating too much, eating too quickly, eating fatty foods, and being overweight are just a few of the causes of heartburn. You can prevent heartburn by watching what and how much you eat, exercising, and losing weight. | Heartburn Relief When heartburn prevention tips don't work, many seek heartburn relief from medications like Mylanta. Mylanta relieves heartburn fast and also works on 'breakthrough heartburn' which can occur even while taking a preventative heartburn treatment, like Prilosec OTC Nexium OTC. Occasionally, more severe symptoms may require a doctor's care. | Gas Relief When there's too much gas in your stomach, you can definitely feel it. Excess gas can result in uncomfortable and sometimes painful bloating and pressure. Mylanta contains simethicone, the #1 selling OTC ingredient for gas relief*, and relieves gas fast! *Q4 2020 Nielsen Sales Data |