what is the test for h pylori
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).
A urea breath test checks to see if you have H. pylori bacteria in your stomach. It involves using a radioactive carbon atom to detect H. pylori bacteria. The breath test is not always available and the results are often inconsistent.