June 28, 2016

Gastritis

What causes gastritis?

A major cause of both acute and chronic gastritis is infection of the stomach mucosa by a bacterial species named Helicobacter pylori. Usually, this bacterium first infects the stomach antrum (stomach mucosa without acid-producing cells) acutely and may progress to infect most or all of the stomach's mucosa over time (chronic gastritis) and remain there for years. This infection generates an initial strong inflammatory response and eventually, a long-term chronic inflammation with intestinal cell changes may develop. Another major cause of acute and chronic gastritis is the use (and overuse) of nonsteroidal anti-inflammatory drugs (NSAIDs).

However, there are many other causes of gastritis; the following is a list of common causes of both acute and chronic gastritis; chronic gastritis may occur with repeated or continual presence of most of these causes:

In general, infectious agents, especially Helicobacter pylori, and NSAIDs are responsible for the majority of people with gastritis. Continue Reading

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Reviewed on 10/30/2015