Notice: To better represent the scope of practice and expertise of the exercise professionals holding this title, ACSM Certified Health Fitness SpecialistSM (ACSM HFS) has been renamed to ACSM Certified Exercise Physiologist (ACSM EP-C).
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).
The laboratory tests you may need will depend on the cause of your gastritis. Your doctor may use a stool test to check for the presence of blood, or your doctor may take a sample of tissue, called a biopsy, from your esophagus or stomach. A breath test or a biopsy may detect H. pylori.