Strategy | Description |
---|---|
IgG/IgA | Begin with H. pylori IgG and IgA tests. If either is positive, do triple therapy. If both are negative, do PPI trial. |
IgG | Begin with H. pylori IgG test. If positive, do triple therapy. If negative, do PPI trial. |
Stool Antigen | Begin with H. pylori stool antigen test. If positive, do triple therapy. If negative, do PPI trial. |
IgG with reflex to stool Antigen | Begin with IgG test. If positive, confirm with stool antigen detection. If both tests are positive, do triple therapy. Otherwise, do PPI trial. |
Breath Test | Begin with H. pylori urea breath test. If positive, do triple therapy. If negative, do PPI trial. |
PPI trial | Skip noninvasive testing and begin instead with PPI trial. |