IBS vs. Celiac Disease (Gluten Allergy): Understanding the Difference
These are two conditions that are often confused—and for good reason. Both Irritable Bowel Syndrome (IBS) and Celiac Disease can cause nearly identical digestive symptoms that interfere with everyday life.
IBS and Celiac Disease Can Both Cause:
- Attacks of diarrhea
- Bloating
- Abdominal cramping
- Food intolerance
Most people have heard about gluten allergies and how beneficial it can be to cut out carbohydrates, breads, and wheat products. And yes—many people do feel better on a restricted diet.
But does feeling better after cutting carbs automatically mean you have a gluten allergy or celiac disease?
No, it does not. Many people feel better on a low-carb or gluten-free diet for reasons unrelated to food allergies or true celiac disease.
Why Digestive Problems Are So Confusing
Perhaps the biggest challenge in solving digestive problems is trying to process the overwhelming amount of advice found online.
Just Google “gluten allergy,” “IBS,” or “celiac disease” and you’ll find endless home remedies, special diets, and testing schemes. Even worse, you’ll see alarming stories about every possible disease that could be causing your symptoms.
Unfortunately, web searches can be misleading and anxiety-provoking, often leading people to waste time and money—or even fear the worst.
“I can’t tell you how many times we’ve seen patients with simple IBS who were convinced they had cancer!” – Dr. Lyday
Know the Difference Between IBS and Celiac
Understanding whether you have IBS or celiac disease matters because the long-term health consequences are very different.
- Unlike IBS, celiac disease can be dangerous to your health.
- Untreated celiac disease can lead to intestinal cancers, arthritis, osteoporosis, autoimmune conditions, and neurological diseases.
- IBS, on the other hand, is annoying but not dangerous and does not lead to future diseases.
How We Diagnose IBS and Celiac Disease
The causes of chronic diarrhea and IBS-like symptoms are numerous but can generally be broken down into the following categories:
- Infections – parasites, worms, bacteria, protozoa
- Inflammation – inflammatory bowel disease, Crohn’s, ulcerative colitis, microscopic colitis
- Hormonal – thyroid imbalance and other endocrine issues
- Ischemic – low blood flow or poor circulation
- Gut Microbiome Imbalance – dysbiosis, imbalance of gut bacteria
- SIBO – bacterial overgrowth in the small intestine
- Food Sensitivities – reactions to specific food groups
- Medication Side Effects
- Celiac Testing – antibody panels and genetic markers to confirm celiac disease
Our Diagnostic Process
Phase I
- Evaluate common causes of diarrhea through lab testing, stool analysis, and possibly endoscopy
- Consider functional gut testing for microbiome balance and food sensitivities
- Identify markers of celiac disease
Phase II
- Provide nutrition coaching and guidance
- Recommend natural supplements for gut support
- Implement dietary restrictions as needed
- Create a long-term plan for gut health maintenance
Final Thoughts
Differentiating between IBS and Gluten Allery is usually done through a careful process of elimination—evaluating each possible cause until the answer becomes clear.
The good news is that both IBS and celiac disease can be effectively managed once the proper evaluation is complete.
Take the Next Step for Your Gut Health
If you’re struggling with digestive symptoms and aren’t sure whether it’s IBS or celiac disease, don’t wait. Schedule an evaluation with our team to get personalized testing, nutrition guidance, and a clear plan to feel your best.
Best of Health,
Dr. Lyday
This content is for informational purposes only. To learn more or schedule a visit, contact the IBS Center – Neighborhood Gastroenterology & Nutrition.