Indigestion — also called dyspepsia or an upset stomach — is discomfort in your upper abdomen. Indigestion describes certain symptoms, such as belly pain and a feeling of fullness soon after you start eating, rather than a specific disease. Indigestion can also be a symptom of other digestive disorders.
Upper abdominal discomfort, described as burning sensation, bloating or gassiness, nausea or feeling full too quickly after starting to eat.