Peptic ulcer Perforated ulcer Also known as peptic ulcers, stomach ulcers are eroded areas in the lining of the stomach or duodenum. Most ulcers result from infection with Helicobacter pylori bacteria or from long-term use of nonsteroidal anti-inflammatory drugs. Other contributory factors include smoking, consuming alcohol, and a family history of the condition.
Symptoms include upper abdominal pain, loss of appetite, weight loss, nausea, and sometimes vomiting. Bleeding ulcers may also cause vomiting of blood or black, tarry feces. Rarely, a perforated ulcer may form, creating a perforation (hole) in the wall of the stomach or duodenum, which may lead to peritonitis .
Most ulcers can be treated with medication to eliminate the H. pylori bacteria and reduce stomach acid production.
A bleeding or perforated ulcer requires emergency treatment, which may involve surgery

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