Medical Today

Definition

Stomachache is pain or discomfort in the stomach that is a symptom of many different gastrointestinal diseases or conditions.

Description

Stomachache, also called dyspepsia, is a symptom of an underlying disease or condition of the gastrointestinal system. Stomachache is defined as pain or discomfort in the upper abdomen. Discomfort refers to any negative feeling including fullness, bloating, or early satiety (quenched thirst or appetite).

Definition

Nausea is the sensation of having a queasy stomach or being about to vomit. Vomiting, or emesis, is the expelling of undigested food through the mouth.

Description

Nausea is a reaction to a number of causes that include overeating, infection, or irritation of the throat or stomach lining. Persistent or recurrent nausea and vomiting should be checked by a doctor. A doctor should be called if nausea and vomiting occur: