Article

IBS, Elimination Diets, and Eating Disorder Risk (Part 1: What to Know Before You Start)

Published on Tuesday, February 22, 2022
by Brooke Orr

Health & Wellness

IBS, Elimination Diets, and Eating Disorder Risk: What You Need to Know

When Symptom Relief Becomes Overwhelming

If you have IBS, you’ve likely experienced the kind of gut-wrenching discomfort that makes you willing to try just about anything for relief.

So naturally, you turn to Google.

Search terms like “IBS treatments” or “best diets for IBS” will quickly flood you with advice—some helpful, some misleading, and some potentially harmful. When you combine desperation with information overload, it becomes incredibly difficult to separate evidence-based guidance from pseudoscience.

And that’s where things can start to go sideways.

The Overlooked Risk of Dieting for IBS

This might sound like a stretch at first, but it’s an important conversation to have:

The line between dietary changes for symptom management and disordered eating can become blurred—quickly.

Dieting doesn’t just mean eating less for weight loss. It includes any intentional manipulation of food intake to achieve a specific outcome, such as symptom control.

While dietary strategies like the Low FODMAP diet can be highly effective for managing IBS symptoms, they are also restrictive by design. Without proper guidance, that restriction can unintentionally evolve into overly rigid eating patterns.

Research shows that a significant portion of dieting behaviors can become obsessive, and a subset of those may progress into eating disorders. For individuals already managing a chronic condition like IBS, that risk can be even more complex.

The Low FODMAP Diet: Helpful, but Not Meant to Be Forever

The Low FODMAP diet is one of the most well-researched dietary approaches for managing IBS symptoms.

But it’s important to understand what it is—and what it is not.

It is:

A short-term elimination and reintroduction protocol
A tool to identify personal food triggers
A structured, evidence-based approach, when done correctly

It is not:

A lifelong restrictive diet
A weight loss strategy
A one-size-fits-all solution

Staying in the elimination phase long-term can increase the risk of nutrient deficiencies, reduced dietary diversity, and negative impacts on the gut microbiome.

That’s why guidance from a trained professional is essential.

Building the Right Support System

If you’re considering dietary changes for IBS, having the right support in place can make a significant difference—not just for symptom relief, but for your overall relationship with food.

A Registered Dietitian (RDN)

Look for a dietitian who has experience with both gastrointestinal conditions and eating disorders. This combination ensures that your plan supports symptom management without creating unnecessary restrictions.

A Therapist

The gut-brain connection is real. Stress, anxiety, and food-related fears can all influence IBS symptoms. Therapy can help address these patterns and provide tools for navigating the emotional side of dietary changes.

A Medical Provider

Working with a primary care provider or gastroenterologist helps ensure that symptoms are properly evaluated. IBS shares symptoms with many other conditions, and self-diagnosis can lead to unnecessary or inappropriate dietary restrictions.

Managing Expectations: There Is No One “Perfect” Diet

It’s easy to fall into the trap of searching for the solution.

But IBS management is rarely that simple.

Food is just one piece of a much larger picture that may also include:

Stress management
Sleep patterns
Physical activity
Medications
Lifestyle habits

What works for you today may not work the same way in a few months—and that’s normal.

Progress often comes from trial, error, and flexibility, not perfection.

A Moment for Self-Reflection

Before starting any elimination diet, it’s worth taking a step back and asking yourself:

Why am I making this change?

Is the goal purely symptom relief?
Or is there a part of you hoping for weight loss as well?

This isn’t about judgment—it’s about awareness.

Elimination diets, including Low FODMAP, are not intended for weight loss, and using them for that purpose can increase the risk of developing disordered eating patterns.

Keeping It Real: Short-Term Tool, Not Long-Term Lifestyle

Elimination diets can be helpful—but only when used as intended.

They are:

Temporary
Structured
Guided

Extending them beyond their intended use can lead to unnecessary restriction, nutritional gaps, and increased stress around food—all of which can actually make IBS symptoms harder to manage in the long run.

Final Thoughts

If you’re navigating IBS, it makes sense to want relief—and quickly.

But more restrictions aren’t always the answer.

With the right support, a balanced approach, and a focus on long-term sustainability, you can manage symptoms without compromising your relationship with food or your overall health.

And if you ever feel like dietary changes are becoming overwhelming or restrictive, reaching out for support is a strong and important next step.

Stay tuned for Part 2 and Part 3 of this series during National Eating Disorders Awareness Week.

_{Eating Disorder Hope. (n.d.).}_{Dieting and eating disorders statistics}_._{https://www.eatingdisorderhope.com}
_{Gibson, P. R., & Shepherd, S. J. (2010). Evidence-based dietary management of functional gastrointestinal symptoms: The FODMAP approach.}_{Journal of Gastroenterology and Hepatology, 25}_{(2), 252–258.}_{https://doi.org/10.1111/j.1440-1746.2009.06149.x}
_{National Eating Disorders Association. (n.d.).}_{Eating disorder statistics}_._{https://www.nationaleatingdisorders.org}
_{Staudacher, H. M., & Whelan, K. (2017). The low FODMAP diet: Recent advances in understanding its mechanisms and efficacy in IBS.}_{Gut, 66}_{(8), 1517–1527.}_{https://doi.org/10.1136/gutjnl-2017-313750}