SIBO (Small Intestinal Bacterial Overgrowth)
Definition
SIBO is a condition in which excessive bacteria accumulate in the small intestine, where bacterial populations are normally low. These bacteria ferment carbohydrates, producing gas and causing symptoms such as bloating, abdominal pain, diarrhea, constipation, and malabsorption.
Why It Matters
SIBO is an often-overlooked cause of chronic digestive symptoms and is present in up to 80% of people with IBS. It can lead to nutrient deficiencies, systemic inflammation, and hormonal imbalances. Proper diagnosis via breath testing and targeted treatment can dramatically improve quality of life.
Related Conditions
Related Modalities
Frequently Asked Questions
SIBO is diagnosed using a lactulose or glucose breath test that measures hydrogen and methane gases produced by bacteria. Elevated gases indicate bacterial overgrowth. Testing should be done under the guidance of a practitioner experienced in SIBO management.
Treatment involves antimicrobial therapy (herbal or pharmaceutical), a low-FODMAP or specific carbohydrate diet to reduce bacterial fermentation, prokinetics to improve gut motility, addressing underlying causes (low stomach acid, motility issues), and supporting gut repair after eradication.
Dr. Sanika Kshirsagar, ND
Doctorate of Naturopathic Medicine (ND)
Bastyr University, Kenmore, WA
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