However, they may lead to acid reflux or GERD, which can cause epigastric pain or heartburn. Learn more about the symptoms of a hiatal hernia. Gastritis happens when the lining of your stomach ...

The pain may only affect the upper thigh ... Most epigastric hernias cause no symptoms. An epigastric hernia appears as a slight bulge. It may become more noticeable when a person is straining ...