It has been reported that some patients have been misdiagnosed with GERD, when in fact the correct diagnosis in their specific case was Indigestion.
Indigestion is discomfort in the upper abdomen. Symptoms include early fullness during a meal, uncomfortable fullness after a meal, Discomfort, burning or bloating of the abdomen and nausea. It can be caused by many conditions including gastritis, peptic ulcers, celiac disease, gallstones, constipation, pancreatitis, stomach cancer, intestinal blockage, diabetes, or pregnancy.