Helicobacter pylori (H. pylori) is a type of bacteria that infects the digestive system. Many people with H. pylori will never have symptoms of infection. But for others, the bacteria can cause a variety of digestive disorders. These include gastritis (inflammation of the stomach), peptic ulcers (sores in the stomach, small intestine, or esophagus), and certain types of stomach cancer.
Look for H. pylori bacteria in the digestive tract
Find out if your digestive symptoms are caused by an H. pylori infection
Find out if treatment for an H. pylori infection has worked
Why do I need an H. pylori test?
You may need testing if you have symptoms of a digestive disorder. Since gastritis and ulcers both inflame the lining of the stomach, they share many of the same symptoms. They include: