IBS and IBD are often confused with one another, but they are not the same condition—and understanding the difference may be one of the most important steps in making sense of chronic gut symptoms.

In this episode, Josh Dech breaks down the distinction between irritable bowel syndrome (IBS) and inflammatory bowel disease (IBD), including Crohn’s disease and ulcerative colitis. He explains why IBS is generally considered a functional disorder, while IBD involves structural changes such as inflammation, ulceration, strictures, and tissue damage.

The conversation also explores the surprising similarities between IBS and IBD. Both can involve abdominal pain, diarrhea, constipation, urgency, bloating, dysbiosis, gut-barrier disruption, environmental triggers, stress, lifestyle factors, and medication-related aggravation. Josh also discusses why people with IBD can continue experiencing IBS-type symptoms even when their inflammatory disease is considered to be in remission.

A major focus of the episode is the relationship between IBS and SIBO—small intestinal bacterial overgrowth. Josh highlights research suggesting substantial overlap between IBS and SIBO, particularly in people experiencing mixed constipation-and-diarrhea symptoms.

From there, he introduces a provocative hypothesis: could some cases of IBD potentially develop following an earlier IBS/SIBO pattern? Josh walks through his own population-attributable-risk thought experiment and arrives at a theoretical range suggesting that a substantial percentage of IBD could potentially be connected to this progression.

Importantly, Josh emphasizes that this is a theory requiring further research—not an established conclusion.

The episode ultimately raises a bigger root-cause question: if certain forms of gut dysfunction can be identified earlier, could earlier investigation and intervention potentially change the trajectory of chronic inflammatory gut disease?

For anyone interested in gut health, the microbiome, inflammation, immune-system dysfunction, SIBO, IBS, Crohn’s disease, ulcerative colitis, or root-cause approaches to chronic illness, this episode provides a provocative framework for thinking about where inflammatory bowel disease may begin—and whether there could be opportunities to intervene earlier.

TOPICS DISCUSSED:

• IBS Vs. IBD: Fundamental Differences And Similarities
• IBS Symptoms, Diagnosis, Subtypes And Rome Criteria
• SIBO And Its Relationship To IBS
• IBD Symptoms, Inflammation And Structural Damage
• Crohn’s Disease Vs. Ulcerative Colitis
• Shared Triggers: Stress, Environment, Medications And Lifestyle
• The Gut-Brain Axis, Dysbiosis And Gut-Barrier Dysfunction
• IBS/IBD Prevalence And Diagnostic Changes
• Josh’s IBS → SIBO → IBD Population-Risk Thought Experiment

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Crohn’s disease and ulcerative colitis are often approached primarily through the lens of symptom management, medication, and surgery. But what happens when we start asking a different question: What may have contributed to the development of the disease in the first place?

In this episode, Josh Dech explores a root-cause approach to inflammatory bowel disease (IBD), challenging listeners to look beyond the label and investigate the layers that may influence gut health, inflammation, the microbiome, and immune-system regulation.

The conversation covers the relationship between diet and IBD, including the Crohn’s Disease Exclusion Diet (CDED), Ulcerative Colitis Exclusion Diet (UCED), and Specific Carbohydrate Diet (SCD). Josh also discusses research involving supplements and probiotics such as curcumin, VSL#3, vitamin D, Boswellia, TUDCA, and wormwood—while emphasizing an important distinction: something that helps manage inflammation or induce remission is not necessarily the same thing as identifying and addressing an underlying driver.

The episode then moves deeper into the root-cause framework. Josh explains why he believes a detailed personal history can reveal important patterns involving early-life factors, antibiotics, food sensitivities, environmental exposures, stress, and microbiome disruption. Rather than automatically ordering extensive testing, he describes using history to determine which potential drivers deserve investigation first.

Several case examples illustrate this approach, including stories involving suspected mold exposure, repeated antibiotic use, structural changes to the digestive tract, and a child with severe ulcerative colitis.

For anyone interested in gut health, IBD, inflammation, the microbiome, immune-system function, and functional medicine, this episode offers a thought-provoking examination of what it means to truly look upstream.

TOPICS DISCUSSED:

• The Root-Cause Philosophy Behind Crohn’s And Colitis
• Medication, Remission, And The Distinction Between Management And Root-Cause Work
• Dietary Approaches To IBD, Including CDED, UCED, And SCD
• Supplements, Probiotics, And Evidence Around Remission
• Microbiome Disruption And Immune-System Regulation
• The Importance Of A Detailed Personal And Medical History
• Antibiotics And Other Potential Contributors To IBD Risk
• Environmental Exposures, Particularly Mold
• Case Studies Involving Patients With Crohn’s/Colitis

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gutsolution.ca

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Finding the root cause of Crohn’s disease, colitis, diverticulitis, IBS, and other chronic gut conditions is rarely as simple as ordering one laboratory test. In this episode, Josh Dech explains why a history-first approach can be more valuable than immediately ordering an expensive battery of functional medicine tests.

Josh walks through how he investigates the timeline leading up to chronic gut symptoms, including events that may have occurred months, years, or even decades before diagnosis. He discusses the relevance of factors such as antibiotic exposure, food poisoning, diet, environmental exposures, childhood illness, birth history, ultra-processed foods, and potential mold exposure.

From there, Josh explains how he uses targeted testing to investigate potential contributors to gut dysfunction. The conversation explores the gut microbiome, dysbiosis, environmental toxins, mold exposure, organic acids, hair tissue mineral analysis, blood work, SIBO/IMO testing, genetics, food sensitivity testing, and other specialized assessments.

A major theme throughout the episode is that more testing does not necessarily mean more answers. Josh explains why overlapping tests can provide diminishing returns and why interpreting laboratory data in the context of a person’s history is critical.

The episode also explores the relationship between the microbiome and the immune system, environmental exposures and inflammation, and why identifying potential upstream contributors may be more useful than simply treating downstream symptoms.

For anyone dealing with chronic digestive symptoms or inflammatory bowel disease and wondering where to start with root-cause investigation, this episode offers a practical framework for thinking about gut health, inflammation, microbiome health, environmental factors, and personalized testing—without automatically spending thousands of dollars on every available laboratory panel.

TOPICS DISCUSSED:

• Why A Detailed Health History Comes Before Laboratory Testing
• Identifying Events And Exposures Preceding Gut Symptoms
• Childhood, Birth History, Antibiotics, Diet, And Microbiome Development
• Gut Microbiome Testing, Dysbiosis, And The Gut Zoomer/GI Map Concept
• Environmental Toxins And Mold Exposure Testing
• Organic Acid Testing (OAT) And What It Can Reveal
• Hair Tissue Mineral Analysis (HTMA) And Mineral/Metal Patterns
• Blood Work, Immune Markers, MCAS/CIRS, And Advanced Testing
• Genetic, Hormone, Food-Sensitivity, And VCS Testing

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