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Research Digest — Not Medical Advice: BodySignals summarises published research for informational purposes. It is not a healthcare provider and does not replace professional medical advice. If you believe you are having a medical emergency, call emergency services immediately. Full disclaimer

Research digest — not medical advice. Full disclaimer · How we rate evidence

Conditions/Digestive

Small Intestinal Bacterial Overgrowth (SIBO)

Bacteria where they shouldn't be

B - Good EvidenceMedian rating across interventions. See individual treatments below for specifics.

Overview

Excessive bacteria in the small intestine, leading to fermentation, gas, and malabsorption.

Symptoms

Severe bloating

common

Especially after eating

Abdominal pain

common

Discomfort from gas pressure

Nutrient deficiencies

occasional

B12, iron

Interventions & Treatments

Rifaximin

Most evidence-backed option
Medication
A

Non-absorbable antibiotic.

Low Fermentation Diet

Diet
C

Reduces bacterial fuel.

Prokinetics

Medication
B

Improves gut motility.

Testing Options

  • Lactulose Breath Test
  • Glucose Breath Test
  • Jejunal aspirate

Dietary Recommendations

  • Low FODMAP
  • Bi-phasic diet
  • Specific Carbohydrate Diet (SCD)

Research cited

Sidebar

Medical Disclaimer

This is a research summary, not medical advice. Body Signals is an independent research digest — it summarises published research for informational purposes and is not a healthcare provider. Consult a qualified healthcare provider before making changes to diet, exercise, supplements, or medication — especially if you have existing conditions or take prescription drugs. Underlying causes must be addressed to prevent relapse.

Looking for professional support?

If this condition is affecting your daily life, connecting with a healthcare provider can help you explore your options.

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Quick Facts

Category
Digestive
Evidence Rating
B3 interventions
Last Updated
2026-04-10

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