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 ...

Stomach ulcers, or peptic ulcers, are sores in the lining of the stomach or the top part of the small intestine. Stomach ulcer pain often occurs in the upper part of the abdomen. Doctors classify the ...

Stomach cramps often result from gas, indigestion, or constipation. Seek medical help for cramps with vomiting, diarrhea, or fever. Excessive gas causes cramps after eating gas-producing foods like ...

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 ...

Dull or burning pain between your belly button and your breastbone is common with stomach ulcers. Symptoms like burping, vomiting, and feeling uncomfortable after a meal are also possible. A stomach ...

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 ...