Abdominal colic is a term used to describe severe spasmodic pain in the abdomen caused by distention, obstruction or inflammation; aerophagia is the presence of gas in the digestive system; abdominal bloating is a condition in which the belly (abdomen) feels full and tight; gas, also called flatus or flatulence, is air in the intestine that is passed through the rectum and dyspepsia is a sensation of pain or discomfort in the upper abdomen, often recurrent.