3.Hernia
Underneath your lungs, there’s a small area where your stomach and esophagus (your food pipe) meet. Coughing, heavy lifting, or straining during bowel movements can put pressure on this area. If there’s too much pressure, part of your stomach can get pushed into the opening. That’s called a hiatal hernia. Chest pain is a symptom, and so is stomach or esophagus pain, bloating, belching, and a sour taste in back of your throat. Most hernias don’t need treatment, but some people eventually need surgery.
4.Gallstones
These are hardened bits of digestive fluid in your gallbladder. They can be as small as a grain of sand or as big as a golf ball. If one blocks the way between your gallbladder and bile ducts (which carry waste from your body), you can get a sudden pain in your stomach that you also feel in your chest, back, or right shoulder. This is most likely to happen at night after a heavy meal.
