Common mistakes around Helicobacter Test

Common mistakes around Helicobacter testing include improper test selection and preparation. Breath tests or stool antigen tests for H. pylori can yield false negatives if the patient recently took antibiotics, proton pump inhibitors, or bismuth compounds. Also, gastrointestinal bleeding can distort results. Many people test only once, but if symptoms persist, repeat testing is warranted. Another error is relying solely on serology (antibody blood tests): they indicate past infection, not active disease. Guidelines recommend the 13C-urea breath test or stool antigen test (HpSA) as first-line diagnostics. Furthermore, eradication therapy must be confirmed with a non-invasive test at least four weeks after treatment. MyBody-X tests do not directly diagnose H. pylori; they may only offer indirect risk markers like stomach acid or inflammation. Self-testing via DNA is not evidence-based. If H. pylori is suspected, a physician should be consulted for proper testing and interpretation.