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About Irritable Bowel Syndrome (IBS)


Welcome to your complete resource for information and assistance from the nonprofit IFFGD about irritable bowel syndrome (IBS). We were started in 1991 by one person struggling with the challenges of a chronic digestive disorder.

On this site you will find help and information you can use about IBS, what it is, how it is treated, and managing daily living with the condition.

IBS Strikes Often

Most people are surprised to learn they are not alone with IBS. In fact, irritable bowel syndrome (IBS) affects about 1 out of 10 people or more.* IBS is one of the most common disorders seen by doctors.

There's no single treatment or cure. There are ways to manage IBS so that you feel better. 

Irritable bowel syndrome is sometimes called spastic colon, mucous colitis, spastic colitis, nervous stomach, or irritable colon. These are outdated terms.

If it Looks Fine, Why Does it Feel Bad?

Irritable bowel syndrome, or IBS, is one of a range of conditions known as "functional gastrointestinal (GI) disorders." In IBS, this "disorder of functioning" is with the way nerves and muscles are working. In the doctor's office nothing abnormal is seen on tests.

The bowels look fine. Yet there is pain, discomfort, and other symptoms that won't go away or keep coming back.

Certain signs and symptoms are the basis for identifying, or diagnosing, IBS. There is no test for IBS.

IBS is complex. It is not a risk for life-threatening diseases, but it can have a major impact on a person’s life. 

Find Help Here

There are ways to treat and manage IBS. The first step is to find out about IBS, and have your questions answered.

IFFGD is here for you. On this site, you'll find help about...

and much more. We'll help you take control of your IBS. 

Help solve the puzzles of IBS and other GI disorders – take part in studies from home or in person.

Request a free information packet

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*Worldwide prevalence rates of IBS range from 9–23% and U.S. rates are generally in the area of 10–15%.  



Last modified on September 28, 2015 at 02:42:11 PM