General
Do I need stool testing or SIBO breath testing?
The short answer
Most commercial microbiome stool tests aren’t validated to guide endometriosis treatment. SIBO breath testing can be more useful when symptoms fit the pattern, such as ongoing bloating, gas and belching, and results would meaningfully change next steps.
Most commercial microbiome stool reports aren’t validated to diagnose dysbiosis or guide targeted treatment in endometriosis, so they often create more confusion than clarity. If you’re considering testing, we usually focus first on whether the results will meaningfully change next steps.
SIBO breath testing can be more useful when your symptoms fit the pattern: ongoing bloating, gas, belching, and IBS-like digestive upset that doesn’t predictably track with your meals or cycle. Our team can help you decide whether breath testing makes sense for you and how to interpret the results alongside other GI causes that can overlap with pelvic pain. If you’d like, reach out to schedule a consultation so we can map out a gut-and-pelvic workup tailored to your symptoms.
Where to go from here
Understand it, compare it with what you're feeling, then talk it through with us.
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Understand the condition
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Wondering About Stool or Breath Tests?
We understand how confusing testing options can be. Our specialists help determine if these tests will clarify your symptoms and guide your treatment effectively.
Questions people ask next
All general questionsWhich tests distinguish IBS from IBD and bowel endometriosis?
Stool calprotectin, CRP and a complete blood count can help distinguish IBD from IBS. Colonoscopy with biopsy is used to confirm IBD, while transvaginal ultrasound or pelvic MRI can help evaluate bowel endometriosis, which won’t reliably raise calprotectin or CRP.
When should I see a gastroenterologist?
It’s worth seeing a gastroenterologist for rectal bleeding, unintended weight loss, persistent or nighttime diarrhea, or other red-flag bowel symptoms. We also often recommend it if IBS-like symptoms are severe, recurrent, or don’t improve with endometriosis care and nutrition adjustments.
Do I need imaging or a colonoscopy for GI symptoms?
Imaging can be helpful for GI symptoms that are severe, persist despite treatment, or suggest deeper endometriosis near the bowel. Colonoscopy may be appropriate for signs of other GI conditions, such as rectal bleeding, unexplained anemia, or significant changes in bowel habits.
Can diet changes or probiotics treat endometriosis based on microbiome research?
There is not yet strong clinical trial evidence that diet changes or probiotics reliably reduce endometriosis lesions or stop disease progression. They may help symptoms for some people, but are supportive tools, not a substitute for a tailored treatment plan.
Further reading
The Microbiome’s Role in Endometriosis
Explore how the microbiome may shape inflammation and estrogen metabolism in endometriosis, and what emerging research means for diagnosis and new therapies.
Endometriosis or Inflammatory Bowel Disease? The Key Differences
How endometriosis and inflammatory bowel disease differ and overlap. Symptoms, diagnostic challenges, epidemiology, treatment risks, and research gaps.
How Endometriosis Can Affect Your Bowel and Digestion
Learn how endometriosis affects bowel health and digestion. Discover symptoms, diagnosis challenges, and treatment options. Get informed today!
