H. pylori infection

Duodenal ulcers

Your duodenum is the part of your gut just below your stomach. A duodenal ulcer is a sore or hole in the lining of your duodenum. It happens when your stomach makes too much acid. The extra acid travels down into your duodenum, where it kills the cells in the lining.

More than 9 in 10 duodenal ulcers are caused by H. pylori.

Source:
Anderson SH, Davies G, Dalton HR.
Key topics in gastroenterology.
Bios Scientific, Oxford, UK; 1999.

Sources for the information on this page:

Anderson SH, Davies G, Dalton HR.Key topics in gastroenterology.Bios Scientific, Oxford, UK; 1999.

This information was last updated on Nov 10, 2009

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