Indigestion is an unfortunate but all-too-common ailment that many people suffer from. It could be attributed to an underlying ailment in many cases. Food allergies that are quite mild will result in dyspepsia. Specialized medical treatment is occasionally used to treat such conditions. Indigestion, on the other hand, can occur for a variety of reasons. Typically, people awaken with an unpleasant stomach. Other times, it's when people ingest something and have a bad reaction to it.