Negative colonoscopy, high calprotectin, then a SIBO breath test — I’m not sure what step should come next
Current status
Still struggling- Still struggling
- Somewhat resolved
- Mostly resolved
- Fully resolved
The story
Bullet points of my journey:
ABOUT ME: - 29 y/o, F - Asian - Adopted (no known genetic concerns)
OVERVIEW: - Estimated ongoing issues for ~ 3 years. I didn’t realize or understand that what I was going through wasn’t normal and that something changed in my gut. - Consistent symptoms in order of most problematic: Bloating (after everything, even water), foul smelling gas, mixed bowel movements, fatigue, some nausea and acid reflux (very minor)
TIMELINE
Fall 2025 - Negative H pylori breath test - Stool test had high calprotectin levels at 268 µg/g - From the stool test results dr wanted a colonoscopy, results were negative/clear
I felt frustrated and stopped looking into this/was busy with life and getting married.
Fall 2026 - Back at it again with more determination to figure this out - SIBO lactulose breath test, high hydrogen levels. 55 ppm at 120 minute mark. See image. - Take half a cap of myralax to help make me less constipated - Prescribed Rifaximin for 14 days. - My dr does not suggest any other supplements or anything else. - Post antibiotics my dr wants another stool test to see my calrprotectin levels. She noted that SIBO and calprotectin are not related.
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Symptoms
Tests & diagnoses
Treatments
Each treatment this contributor tried, in the order that mattered, with their own reported result. The ones marked with a trophy are the treatments they credit as decisive.
Prescribed for 14 days after SIBO lactulose breath test with high hydrogen levels; outcome not yet reported.
This is one person's reported experience aggregated by GutPattern, not clinical advice, a treatment protocol, or a diagnosis. What helped one contributor can do nothing — or harm — for someone with a different underlying cause. Sudden, severe, bloody, feverish, or worsening symptoms belong with medical care. Always discuss care decisions with a qualified clinician.
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