If you’ve dealt with chronic bloating, gas, abdominal pain, constipation, diarrhea, or reflux, and your doctor has told you your tests look normal, SIBO may be the missing piece of the puzzle.
1. What Is SIBO?
SIBO stands for Small Intestinal Bacterial Overgrowth. In simple terms, SIBO means too much bacteria in the wrong place. Your gut naturally contains trillions of beneficial microbes, but most of them are meant to live in the large intestine. When bacteria accumulate in the small intestine instead, the result is SIBO: a condition that ferments food, produces excess gas, and leads to many of the uncomfortable digestive symptoms people struggle with for years.
2. SIBO Symptoms Go Beyond Digestion
What surprises many patients is that SIBO doesn’t stop at the gut. Because SIBO disrupts nutrient absorption and drives systemic inflammation, this condition has also been linked to:
- Fatigue
- Brain fog
- Nutrient deficiencies
- Rosacea
- Restless leg syndrome
If you’ve been treating these symptoms separately without success, SIBO could be the common thread connecting them.
3. SIBO Doesn’t Develop Randomly
SIBO is typically the result of an underlying disruption to normal gut function. Common SIBO triggers include:
- Food poisoning – Acute gastrointestinal infections can damage the nerves and muscles responsible for moving food through the gut, setting the stage for SIBO.
- Poor digestion – Low stomach acid or insufficient digestive enzymes can allow bacteria to survive and multiply where they shouldn’t, contributing to SIBO.
- A stressed nervous system – Chronic stress affects the gut-brain connection and can slow gut motility, a key driver of SIBO.
- Slow gut motility – When the small intestine doesn’t clear properly between meals, bacteria have the opportunity to build up into SIBO.
4. Why Killing Bacteria Alone Doesn’t Cure SIBO
Many SIBO treatments focus solely on eliminating the bacterial overgrowth. While that’s an important step, it’s rarely the full solution for SIBO. Without addressing what allowed the overgrowth to develop in the first place, SIBO symptoms tend to return.
5. Lasting SIBO Relief Requires a Root Cause Approach
True, lasting relief from SIBO comes from identifying and correcting the underlying issue, whether that’s impaired motility, nervous system dysregulation, or low digestive function, while also restoring healthy gut function long-term. This root cause approach is the foundation of how functional medicine treats SIBO differently than conventional care.
Ready to Get to the Root of Your SIBO Symptoms?
If bloating, gas, fatigue, brain fog, or other unexplained symptoms have been part of your daily life, you don’t have to keep guessing whether SIBO is behind it. Dr. Egeland uses advanced functional medicine testing to identify what’s really driving your SIBO and digestive dysfunction, so you can address the cause instead of just managing the symptoms.
Book your complimentary discovery call and take the first step toward lasting SIBO relief.
Related reading: 7 Daily Habits to Strengthen Gut Health




