Helicobacter pylori (H. pylori) is a bacteria that can live in the stomach and eventually cause ulcers and gastritis. It's more common in developing countries.
Gastritis occurs when your stomach lining becomes inflamed (swollen and red). It can last for a short time or it can last a long time. Find out more about what medicines to take to relieve the symptoms.
Stomach ulcers occur in the lining of your stomach. Although they are common and can be treated, it’s important to be aware of the symptoms and get diagnosed early.
Stomach cancer, commonest in men over 50, doesn’t always have symptoms. You might reduce your risk of stomach cancer by making changes to your diet.