Helicobacter pylori infection Inflammation of the stomach lining (gastritis) may occur due to infection or irritation. It may develop suddenly (acute) or be long-term (chronic).
Acute gastritis is commonly caused by excessive alcohol consumption or the use of nonsteroidal anti-inflammatory drugs. Chronic gastritis is usually due to infection with Helicobacter bacteria. Symptoms include upper pylori abdominal pain and nausea. Some people have no symptoms. Mild gastritis can often be relieved by self-help measures, such as using over-the-counter medications to reduce stomach acidity. If symptoms are severe or persist for more than a week, a doctor should be consulted to investigate the cause. If is identified as the H. pylori cause, antibiotics and medication to reduce stomach acid usually clear up the gastritis