The burning, gnawing sensation that strikes in the upper abdomen often gets dismissed as ordinary indigestion or heartburn. Yet for millions of Americans, this pain signals something more serious: ...

Superior mesenteric artery syndrome is a rare type of compression of the small intestine. It’s a treatable condition, but a delayed diagnosis can lead to more severe symptoms or even death. SMA ...

SMA syndrome occurs when two arteries compress a section of the small intestine, resulting in abdominal-related symptoms. SMA syndrome is rare, affecting less than 1% of the general population. SMA ...

The sphincter of Oddi is a muscular valve that plays a vital role in digestion. It controls the flow of bile and pancreatic juice. It opens and closes to let the juices flow from the liver and ...

Gas, indigestion, and stomach viruses are common causes of upper stomach pain. In more severe cases, it can indicate appendicitis, bowel obstruction, or peptic ulcers. Not all pain feels and acts the ...

A dull aching or sharp shooting pain on the right side of the abdomen that is below the lower right ribs after meals is a common complaint seen in clinics and emergency rooms. Many people misdiagnose ...