Ordering the Small Intestine Bacterial Overgrowth (SIBO) Breath Test | 3-Hrs | Lactulose Canada
Testing for bacterial overgrowth in the small intestine can help pinpoint the cause of symptoms like bloating, gas, and changes in bowel habits. This test measures both hydrogen and methane in your breath after drinking lactulose, which helps identify where bacteria may be growing in your digestive tract. Interestingly, research shows that SIBO can sometimes be linked to conditions like osteoporosis and anemia, not just digestive symptoms.
Ordering this test offers several specific benefits:
- Detects both hydrogen and methane gas for a more complete picture of bacterial overgrowth
- Helps identify the location of bacterial imbalance in the small intestine
- Supports diagnosis of carbohydrate intolerance and related digestive issues
- Can reveal hidden causes of symptoms like fatigue and food intolerance
- Provides actionable data for your healthcare provider to guide treatment
Who Should Consider Breath Testing for Gut Bacteria Imbalance
People who experience ongoing bloating, gas, or unpredictable bowel movements may benefit from this test. For example, someone who feels tired after eating certain foods and struggles with both constipation and diarrhea might find answers through breath testing.
Ordering may also be helpful in these situations:
- Frequent belching or flatulence that does not improve with diet changes
- Unexplained stomach pain or discomfort after meals
- Long-term digestive discomfort that has not responded to standard treatments
- Food intolerances that seem to be increasing over time
- Someone with chronic fatigue syndrome who also has digestive symptoms
Testing for bacterial overgrowth can help identify the root cause of symptoms like gas, bloating, and irregular stools, allowing for targeted treatment. Delaying this test may allow symptoms to persist or worsen, making it harder to manage digestive issues effectively.
How to Prepare for the Test
Fasting is required for at least 12 hours before collecting your breath samples for this test. Always follow any instructions provided by your doctor or healthcare practitioner to make sure your results are as useful as possible.
Labs Included When Ordering Your Small Intestine Bacterial Overgrowth (SIBO) Breath Test | 3-Hrs | Lactulose
| Test Name | Reference Range | Significance | Low and High Levels of Small Intestine Bacterial Overgrowth (SIBO) Breath Test |
|---|---|---|---|
| Hydrogen (Breath) | 0-20 | Hydrogen in the breath is produced when bacteria in the small intestine ferment carbohydrates. Elevated levels after lactulose suggest bacterial overgrowth in the small intestine. | High levels mean there may be excess bacteria fermenting sugars in the small intestine, often linked to symptoms like bloating and diarrhea.
Low levels mean there is little to no bacterial fermentation, which is usually normal unless symptoms persist. |
| Methane (Breath) | 0-10 | Methane is produced by certain gut bacteria and is often associated with constipation. Measuring methane helps identify the type of bacterial imbalance present. | High levels mean methane-producing bacteria are present, which can slow gut movement and cause constipation.
Low levels mean there are few or no methane-producing bacteria, which is typical unless symptoms suggest otherwise. |
Reference ranges may change slightly as labs update their guidelines and testing methods.
Small Intestine Bacterial Overgrowth Breath Test FAQ
Is there Small Intestine Bacterial Overgrowth Breath Test testing near me?
This is a home test kit, so you can collect your breath samples locally and send them in; this is especially helpful if you have unpredictable digestive symptoms and need flexible sample collection without traveling far.
How do I interpret the test results?
While your treating physician should review your results, we also offer a one-on-one test results review with our clinical team to help you understand your results and next steps.
What is the cost of the test?
The price listed for this test includes standard shipping to you and return shipping to the lab; draw fees may apply. Ordering this test can help you address digestive symptoms sooner, which may lead to faster relief and more targeted treatment.
How often should I retest?
Retesting is usually recommended every 3 to 6 months if symptoms return or after treatment to check for changes in bacterial levels. Regular testing helps track progress and guides any needed adjustments in your care plan.
How accurate is the test?
This test uses a three-hour breath collection method after lactulose ingestion, measuring both hydrogen and methane for precise detection of bacterial overgrowth. Sensitivity is about 85% and specificity is around 80%. TrueHealthLabs.com partners with CLIA-certified and CAP-certified laboratories to uphold rigorous testing standards for dependable results.
Important Notes
- Do not order this test if you are allergic to lactulose or are diabetic.
Medical Review Board
Reviewed by Jeff Donohue M.D. from Body Logic and Brady Hurst DC, CCCN. Written by True Health Lab’s team of editorial health contributors.
Disclaimer: This information is for educational purposes only and not intended as medical advice. Consult your healthcare provider for personalized guidance.
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