H. pylori is the most common cause of gastritis worldwide. In fact it’s found in the majority of patients with stomach inflammation and is particularly prevalent in children [3] , [7] .

Discover how atrophic gastritis silently damages stomach tissue while increasing cancer risk, often going undiagnosed for years.

According to an older 2015 study, H. pylori infection is the most common cause of gastritis worldwide. Many people first contract H. pylori during childhood, but not everyone experiences symptoms.

Helicobacter pylori (H. pylori) is a common type of bacteria that infects the stomach lining and can lead to various gastrointestinal diseases such as gastritis, stomach ulcers, and cancer.

Medically reviewed by Robert Burakoff, MD Atrophic gastritis (AG), also called metaplastic atrophic gastritis (MAG), is a chronic (long-lasting) inflammation of the stomach lining, which leads to the ...

(around 80-90% among adults) than in high income countries (<40%). H. pylori infection can not only impact nutrient uptake and utilisation, but also increase the risk of gastritis, peptic ulcers and ...

Gastritis associated with alcohol or NSAID use. If initial testing indicates an absence of H. pylori, and the use of NSAIDs or alcohol is suspected as a cause of the gastritis, the patient is ...

Helicobacter pylori infection (H. pylori): Having an infection from H. pylori bacteria is the most common cause of gastritis. Nonsteroidal anti-inflammatory drugs (NSAIDs): Regular use of NSAIDs ...

If gastritis is due to excessive intake of alcohol or painkillers it may be enough to stop using these. In the case of H pylori infection the doctor will prescribe antibiotics to kill the bacteria.

H.pylori is a type of bacteria that infects the stomach lining which causes gastritis (stomach inflammation), peptic ulcers (sores in the stomach or small intestine), and gastric cancer in some cases.