LAB TEST
Tests for H pylori
Helicobacter pylori ( H pylori ) is the bacteria (germ) responsible for most stomach (gastric) and duodenal ulcers and many cases of stomach inflammation (chronic gastritis ).
How the Test is Performed
There are several methods to test for H pylori infection. Breath Test (Carbon Isotope-urea Breath Test, or UBT) Up to 2 weeks before the test, you need to stop taking antibiotics, bismuth medicines such as Pepto-Bismol, and proton pump inhibitors (PPIs). During the test, you swallow a special substance that has urea.…
Why the Test is Performed
Testing is most often done to diagnose H pylori infection: If you currently have a stomach or duodenal ulcer If you had a stomach or duodenal ulcer in the past, and were never tested for H pylori After treatment for H pylori infection, to make sure there are no more of these bacteria Testing may also be done if you…
Normal Results
Normal results mean there is no sign that you have an H pylori infection.
What Abnormal Results Mean
Abnormal results mean that you have an H pylori infection. Your provider will discuss treatment with you.
References
Cover TL, Blaser MJ. Helicobacter pylori and other gastric Helicobacter species. In: Bennett JE, Dolin R, Blaser MJ, eds. Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases . 9th ed. Philadelphia, PA: Elsevier; 2020:chap 217. Siddiqi HA, Rabinowitz S, Axiotis CA. Laboratory diagnosis of…
This is a summary. Read the full article at www.ucsfbenioffchildrens.org (reviewed 07/08/2023).
This page is general information and is not medical advice. It does not replace a registered doctor, and it is not a prescription or a recommendation to use any medicine or test. Prices are listed prices and may change. Always follow the advice of your doctor or pharmacist.