This Pain Map Could Help Reveal Exactly Why Your Stomach is Hurting

Small Intestine Ulcer (Upper Left Abdomen)

Ulcers in the upper part of the small intestine, called duodenal ulcers, result from damage to the intestinal wall by stomach acid that breaks down food. Like stomach ulcers, intestinal ulcers are most often caused by using certain pain medications (NSAIDs) or bacteria that live on the wall of the stomach and intestines. Small ulcers may cause burning pain in the upper left part of the abdomen, heartburn, bloating, gassiness, and nausea. Severe ulcers can also cause internal bleeding or swelling.

Like stomach ulcers, intestinal ulcers may be treated with antacids and other medicines that reduce or neutralize stomach acid and antibiotics to eliminate bacterial infections. The goal of these treatments is to reduce further damage to the intestinal wall while the ulcer is healing.