Burning in chest . A burning or gnawing feeling in the upper abdomen or midchest minutes or hours after eating is the most common symptom. It can feel like heartburn and is often hard to know the difference. Taking an antacids like Tums (calcium carbonate) usually make it feel better temporarily. If you are having these symptoms speak with your pcp or a gastroenterologist as it can indicate a serious problem.
Pain after eating. Usually the stomach pain will occur sometime after eating. Pain will get worse with eating onions, tomatoes, garlic. Pain will get better with antiacids.