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Symptoms and Signs of H. pylori Infection (Helicobacter Pylori)

Doctor's Notes on H. pylori Infection (Helicobacter Pylori)

Most people with Helicobacter pylori (H. pylori) bacterial infections have no symptoms. For those individuals that do have symptoms, they may have one or more the following:

People who do have symptoms and are infected with H. pylori usually have gastritis and/or ulcers.

The cause of H. pylori is probably its transmission from person to person although the exact transmission mode is not known. However, researchers find most people become infected as children, and they speculate, get the organism by saliva and/or fecal contamination during childhood.

Medical Author:
Medically Reviewed on 4/29/2019


Kasper, D.L., et al., eds. Harrison's Principles of Internal Medicine, 19th Ed. United States: McGraw-Hill Education, 2015.