SIBO Breath Test Results: What Your Numbers Mean
Positive is H2 rise of 20 ppm or more within 90 minutes, or any CH4 reading of 10 ppm or higher. See baseline cutoffs and what your curve pattern indicates.
Sibo Breath (Lab Test)
8 source-based articles maintained by the HealthRX.com Editorial Team.
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Jul 10, 2025latest review
Sibo Breath (Lab Test) library
Showing 8 of 8 clinical reviews.
SIBO Breath Test: Drugs That Distort Results, Normal Ranges, and What Your Numbers Mean
A complete clinical guide to the SIBO breath test, covering which drugs raise or lower hydrogen and methane readings, normal ranges, and how to interpret abnormal results. prepared by the HealthRX.com Editorial Team.
SIBO Breath Test: Evidence-Based Ways to Improve Your Results
Learn what your SIBO breath test results mean and how hydrogen and methane patterns guide treatment choices, including rifaximin, elemental diets, and prokinetics.
SIBO Breath Test: What "Normal" Means vs. What Functional Optimal Actually Looks Like
Learn what your SIBO breath test numbers really mean, how clinical 'normal' differs from functional optimal, and what gas thresholds indicate hydrogen, methane, or hydrogen-sulfide overgrowth.
SIBO Breath Test: What This Test Actually Measures
The SIBO breath test measures hydrogen and methane gas levels in exhaled breath after a sugar substrate challenge. Learn how it works, what the results mean, and how clinicians interpret the data.
SIBO Breath Test: What Your Number Changes About Your Treatment
Your SIBO breath test result determines which antibiotic you get, how long you take it, and whether a prokinetic or diet change follows. Here is exactly how clinicians interpret hydrogen and methane values to build your treatment plan.
SIBO Breath Test: Which Tests to Order Alongside for a Complete Workup
Learn which lab tests to pair with a SIBO breath test for accurate diagnosis. Covers paired panels, interpretation, and clinical context for small intestinal bacterial overgrowth testing.
SIBO Testing: When to Order a Breath Test
SIBO testing measures hydrogen and methane after a sugar substrate. Learn when to order it, prep steps, washout times, and positive thresholds.