Gastritis is an inflammation, irritation, or erosion of the stomach lining. It can come on suddenly and last a short time (acute), or start gradually and be long-lasting (chronic). It's a common ...

As a condition that occurs when your stomach lining becomes inflamed, chronic gastritis develops gradually and can be difficult to get rid of. It usually gets better with treatment, but may need ...

When your stomach lining gets irritated, inflamed or damaged, that’s gastritis. It’s a broad term that covers many conditions, all involving inflammation of the gastric mucosa—the layer inside your ...