SIBO—small intestinal bacterial overgrowth—is often treated as though the bacteria themselves are the entire problem. But what if the overgrowth is actually a sign that something deeper in the digestive system has gone wrong? In this episode of Reversing Crohn’s and Colitis Naturally, Josh Dech takes a root-cause approach to SIBO and explains why simply trying to eliminate excess bacteria may not be enough to create lasting improvement. Josh breaks down what SIBO is, why the small intestine normally contains dramatically fewer microbes than the large intestine, and what can happen when bacteria migrate into an environment where they don't belong. He explores how excessive fermentation can contribute to bloating, abdominal discomfort, diarrhea, constipation, malabsorption, irritation, and intestinal dysfunction. The conversation goes deeper into the systems responsible for keeping the gut microbiome balanced, including stomach acid, bile flow, the migrating motor complex (MMC), the ileocecal valve, secretory IgA, antimicrobial peptides, gut motility, stress, medications, parasites, and other potential contributors. One of the most important concepts in the episode is the difference between treating the overgrowth and addressing its root cause. Josh compares killing SIBO without correcting the underlying dysfunction to putting out a fire without fixing the gas leak. He also explains the major SIBO-related gas patterns: hydrogen, methane/intestinal methanogen overgrowth (IMO), hydrogen sulfide, and mixed presentations, including how their symptoms can differ. The episode explores the possible relationship between food poisoning, post-infectious IBS, antibodies, gut nerves, motility, and recurrent SIBO, along with testing options such as IBS Smart, Trio-Smart, lactulose breath testing, and small-intestinal aspiration. If you're dealing with chronic gut symptoms, IBS, Crohn's, colitis, bloating, constipation, diarrhea, or recurring digestive dysfunction, this episode offers a deeper framework for understanding how the microbiome, immune system, gut motility, and digestive environment can interact. TOPICS DISCUSSED: What SIBO Is And Why Excess Bacteria In The Small Intestine Can Cause ProblemsRoot Causes And Underlying Dysfunction Behind SIBOThe Different Types Of SIBO/IMO: Hydrogen, Methane, Hydrogen Sulfide, And MixedFood Poisoning, Post-Infectious IBS, Antibodies, And The Vinculin/Motility ConnectionThe Migrating Motor Complex, Motility, And Intestinal StagnationThe Relationship Between SIBO And Crohn’s/ColitisStomach Acid, Bile Flow, pH, And The Digestive EnvironmentSIBO Testing And Diagnostic Options Want help with your IBD? Schedule a call with me and my team Join the Reversing Crohn's and Colitis Naturally Community Visit our Website: gutsolution.ca Video Podcast: Watch the video podcast on YouTube Follow me on Social Media: Facebook: @joshdech.health Instagram: @joshdech.health Join my free Facebook group: IBD Support and Solutions Support the show