SIBO (Small Intestinal Bacterial Overgrowth)
Bacterial overgrowth in small intestine causing fatigue and digestive symptoms.
Last updated:
What is SIBO (Small Intestinal Bacterial Overgrowth)?
Common Age
Any age; more common in adults
Prevalence
Estimated 2-20% depending on population
Duration
Treatable; may recur
Common Symptoms
- Fatigue
- Bloating (often worse after eating)
- Abdominal pain
- Diarrhea or constipation
- Gas
- Nausea
- Brain fog
- Nutrient deficiencies
- Unintentional weight loss
Possible Causes
- Impaired gut motility
- Low stomach acid
- Structural abnormalities
- Previous surgery
- IBS
- Medications (especially PPIs)
- Diabetes
Note: These are potential causes. A healthcare provider can help determine the specific cause in your case.
Quick Self-Care Tips
- 1Get tested (breath test)
- 2Avoid excessive snacking (allow gut to clear)
- 3Consider low-FODMAP diet temporarily
- 4Treat underlying causes
- 5Prokinetics may help prevent recurrence
Disclaimer: These are general wellness suggestions, not medical treatment recommendations. They may help manage symptoms but should not replace professional medical care.
Detailed Treatment & Solutions
1BREATH TESTING
Lactulose or glucose breath test to diagnose.
2ANTIBIOTICS
Rifaximin is first-line. May need neomycin for methane-predominant.
3DIET
Low-FODMAP during treatment. Elemental diet is an alternative.
4PREVENT RECURRENCE
Prokinetics, address underlying causes, avoid excessive PPIs.
Important: Always consult a healthcare professional before starting any treatment regimen. The solutions above are for educational purposes and may not be suitable for everyone.
Risk Factors
- IBS
- Diabetes
- Previous abdominal surgery
- PPI use
- Low stomach acid
Prevention
- Treat underlying conditions
- Avoid unnecessary PPI use
- Meal spacing
When to See a Doctor
Consult a healthcare provider if you experience any of the following:
- Persistent bloating and digestive symptoms
- Unexplained fatigue with GI symptoms
- Weight loss
- Signs of nutrient deficiency
Talk to a Healthcare Provider
If your symptoms are persistent, severe, or concerning, please consult with a qualified healthcare professional for proper evaluation and personalized advice.
Frequently Asked Questions about SIBO (Small Intestinal Bacterial Overgrowth)
Click on a question to see the answer.
Unfortunately, recurrence is common (up to 50%). Addressing underlying causes and using prokinetics can help prevent recurrence.
More Digestive Issues Conditions
Was this information helpful?
Your feedback is anonymous and helps us improve our content.
Medical Disclaimer
The information on this page is for educational purposes only and is not intended as medical advice. It should not be used for self-diagnosis or self-treatment. Always seek the guidance of a qualified healthcare professional with any questions you have regarding a medical condition. If you are experiencing a medical emergency, call your local emergency services immediately.
Explore QuickSymptom
Last Updated:
Reviewed by QuickSymptom Health Team
This content is for educational purposes only.
Not a substitute for professional medical advice.