What exactly is a sour stomach?

Answer by  PaintedRoadkill (504)

A sour stomach usually means one that is irritated and upset because of food or drink that was ingested that your stomach does not like. It can either cause indigestion or vomiting until the food or drink is removed/digested.

Answer by  sruthi (1)

A sour stomach is a term used to describe stomach indigestion. The symptoms are Burping, feeling bloated or nausea. It will cause stomach ache & also Ulcer.