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Our patented, painless skin patch testing procedure detects hidden allergies to common foods and additives that may be causing your Irritable Bowel Syndrome.

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Why IBS-80

Get quick insight and info on IBS-80 and how it works!  (<1 minute)


If you suffer from Irritable Bowel Syndrome (IBS), you know how it can take over your life. Even though 50% of IBS sufferers report that food aggravates their symptoms, you were likely told that there is no connection between food allergies and IBS.

IBS-80 is a series of skin patch tests that test for a different kind of allergy. Patch testing has never before been used to identify IBS food allergies. In published studies, when patients stopped eating foods that cause an allergic patch test reaction, over 50% improved, including over 30% who experienced near or total resolution of their symptoms. (Study 1, Study 2, Study 3).

Help may be here!

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Yes, food allergies can cause IBS!

What is IBS-80?


How much do you know about IBS? Take the quiz!


What Makes IBS-80 Different?

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IBS sufferers are often told that food allergies do not cause IBS. That’s because older studies looked at the wrong kind of allergy (think peanut allergy).

IBS-80 is a series of patch tests that test for a different kind of allergy (think poison ivy). Patch testing is routinely used to look for allergies that cause skin rashes, but until now it was never used to investigate IBS. IBS-80 tests for allergies to 80 common foods and food additives. By eliminating foods that cause an allergic reaction from your diet, your symptoms may improve or even resolve.

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What Patients Are Saying

"This is a life-changer. I thought the daily discomfort was normal."

 - Deborah D. / 42 years old


Traditional IBS dietary management often calls for patients to cut

large food groups from their diet, like dairy, gluten, and FOD-MAP. But sometimes, it's just one or a few foods that cause your Irritable Bowel Syndrome symptoms.

IBS-80 uses skin patch testing to identify food allergies associated

with your IBS. With the testing, you can avoid just the foods that may be causing your symptoms. Not only can you get your everyday life back, but you can also enjoy a more extensive range of foods.


Have you been struggling with IBS?

The IBS-80 skin patch test might be right for you.

Click and find a participating physician near you

or ask your provider to administer the IBS-80 skin patch test.

Dr Mike

Hi. I'm Michael Stierstorfer, M.D., inventor of the IBS-80 Skin Patch Test. In 2008, I developed IBS symptoms and was diagnosed with IBS. When standard treatments didn't help, I was determined to find a solution. As a dermatologist, my specialty is the skin. I knew that the skin and the lining of the intestine are similar in some important ways.

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