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Definition
By Mayo Clinic staff
Gastritis is a term used to describe a group of conditions with one thing in common: inflammation of the lining of your stomach. The inflammation of gastritis is often the result of infection with the same bacterium that causes most stomach ulcers. However, other factors — such as traumatic injury, regular use of certain pain relievers or drinking too much alcohol — also can contribute to gastritis.
Gastritis may occur suddenly (acute gastritis) or it can occur slowly over time (chronic gastritis). In some cases, gastritis can lead to ulcers and an increased risk of stomach cancer. For most people, however, gastritis isn't serious and improves quickly with treatment.
- Gastritis. National Digestive Diseases Information Clearinghouse. http://digestive.niddk.nih.gov/pubs/gastritis. Accessed Feb. 23, 2009.
- Yardley JH, et al. Acute and chronic gastritis due to Helicobacter pylori. http://www.uptodate.com/home/index.html. Accessed Feb. 23, 2009.
- Yardley JH, et al. Metaplastic (chronic) atrophic gastritis. http://www.uptodate.com/home/index.html. Accessed Feb. 23, 2009.
- Yardley JH, et al. Classification and diagnosis of gastritis and gastropathy. http://www.uptodate.com/home/index.html. Accessed Feb. 23, 2009.
- H. Pylori and peptic ulcer. National Digestive Diseases Information Clearinghouse. http://digestive.niddk.nih.gov/ddiseases/pubs/hpylori. Accessed Feb. 23, 2009.
- Francis DL. Gastritis. In: Hauser SC, et al, eds. Mayo Clinic Gastroenterology and Hepatology Board Review. Rochester, Minn.: Mayo Clinic Scientific Press; 2008:67.
- Picco MF. (expert opinion). Mayo Clinic, Rochester, Minn. Feb. 25, 2009.
