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What is a stomach ulcer?

A stomach ulcer is a sore or erosion that develops on the lining of the stomach. Ulcers can also develop in the esophagus or a part of the small intestine called the duodenum. This can occur for several reasons. Some of the most common include frequent use of anti-inflammatory medications or infection with a bacterium called H. pylori.
Roshini C. Rajapaksa, MD
Gastroenterology

An ulcer is an open sore in the lining of your stomach, small intestine or esophagus. In this video, gastroenterologist Roshini Raj, MD, explains the most common causes of ulcer formation, including H. pylori bacteria and OTC pain relievers. 

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.