Learning About Gastric Polyps

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Location of stomach in upper belly, with detail of stomach lining with polyps and close-up of a gastric polyp

What are gastric polyps?

Gastric polyps are growths in the stomach. Most people who get them don't have any problems.

The cause of most gastric polyps is not known. But some polyps grow in people who use stomach acid reducers called proton pump inhibitors (PPIs). People who have gastritis, ulcers, or an H. pylori bacterial infection in the stomach can sometimes get polyps. People who have a parent or sibling with gastric polyps might have them too.

Most gastric polyps aren't cancer. But a certain kind of polyp can turn into cancer.

What are the symptoms?

You may not know that you have gastric polyps. Most polyps don't lead to symptoms. Once in a while, larger polyps may cause bleeding, belly pain, or a blockage in the stomach.

How are polyps diagnosed and treated?

Most gastric polyps are found during an endoscopy (say "en-DAW-skuh-pee") that is done for another health problem. Endoscopy is a test that uses a thin flexible tube to allow a doctor to look at the inside of your stomach.

Your doctor will treat your polyps based on what is seen during this test. If your doctor finds a polyp during the test, they may take it out. It will then be tested to make sure it isn't cancer.

If your doctor finds H. pylori bacteria in your stomach, the doctor will prescribe antibiotics. If you have been taking a PPI, the doctor may prescribe a different medicine instead.

Sometimes the doctor may suggest another endoscopy to see how treatment is working. They may also suggest this to recheck certain kinds of polyps. The doctor may also suggest a colonoscopy to look for polyps in your colon.

Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor if you are having problems. It's also a good idea to know your test results and keep a list of the medicines you take.

The Health Encyclopedia contains general health information. Not all treatments or services described are covered benefits for Kaiser Permanente members or offered as services by Kaiser Permanente. For a list of covered benefits, please refer to your Evidence of Coverage or Summary Plan Description. For recommended treatments, please consult with your health care provider.