Indigestion is a collection of symptoms that often includes heartburn, nausea, bloating and belching. Most cases of indigestion are nothing to worry about. Indigestion is a general term that describes discomfort in your upper abdomen — an upset stomach. Indigestion is not a disease, but rather a collection of symptoms you experience, like heartburn, bloating, belching and nausea. How you experience indigestion may differ from how someone else does.

Indigestion causes are varied
If you eat too much of any food, you can wind up with an upset stomach, particularly if you overindulge in fatty or spicy foods. Eating too quickly has the same effect.Alcohol and stress also can take a toll.

Persistent indigestion may point to other digestive conditions: