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10/9/2025

Q&A: Should Laxatives Be Stopped Before a SIBO Test? How Long and Why?

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Key Discussions:

1. Challenges with Breath Tests 
The video begins with a discussion on the difficulties faced by individuals who are dependent on laxatives and the challenges they encounter when preparing for a breath test. The instructions typically require a waiting period of two weeks from diarrhea out of normal pattern, and abstaining from laxatives for four days prior to the test.

2. Expert Advice
Dr. Allison Siebecker provides advice on how to manage the preparation for a breath test. It is suggested that while four days without laxatives is the minimum requirement, five days would yield more accurate results. The importance of avoiding false negatives by adhering to these guidelines is emphasized.

 Takeaways:
Answer:
Yes, stop laxatives before SIBO testing x 5 days for best results.

Preparation for SIBO Tests
- Proper preparation is crucial for accurate medical test results. In the context of breath tests, stopping laxative use for 4-5 days is essential to avoid false negatives.

Supplement Discount

- Fullscript is a resource for obtaining supplements at exclusive pricing  


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  • HOME
    • HOME
  • About SIBO
    • WHAT IS SIBO?
    • SIBO Symptoms
    • Associated Diseases
    • What Causes SIBO?
    • SIBO & IBS
  • SIBO TESTS
    • SIBO Tests
  • TREATMENT
    • How To Treat SIBO
    • Symptom Relief
    • What to Avoid
    • Antibiotics
    • Herbal Antibiotics
    • Elemental Diet
    • SIBO Diet
    • Prevention of Relapse
    • Probiotics
  • SIBO COURSES
    • SIBO Courses
  • SIBO SUPPORT
    • SIBO Support
  • RESOURCES
    • Discounts
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    • SIBO Studies >
      • SIBO Studies: 2025
      • SIBO Studies: 2024
      • SIBO Studies: 2023
      • SIBO Studies: 2022
      • SIBO Studies: 2021
      • SIBO Studies: 2020
      • SIBO Studies: 2019
      • SIBO Studies: 2018
      • SIBO Studies: 2017
      • SIBO Studies: 2016
      • SIBO Studies: 2015
      • SIBO Studies: 2014
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