Irritable bowel syndrome is a complex condition. Here you’ll find information about the basics of IBS, as well as its symptoms, causes, and risk factors.

What Is Irritable Bowel Syndrome?

Topic Overview

It’s a complex disease that causes misery for 58 million Americans. This overview puts IBS into perspective.

What Happens

The pattern of symptoms is different for everyone with IBS. Click here to learn more.

Causes

Cause

Scientists don't completely understand IBS, but this brief article explains what's known. Click here to learn more.

Are You at Risk?

What Increases Your Risk

IBS is more commonly seen in people with certain conditions; learn about other risk factors.

Prevention

You can't prevent IBS, but learn what you can control to minimize the discomforts.

Irritable Bowel Syndrome (IBS) Guide

Overview & Facts

Symptoms & Types

Diagnosis & Tests

Treatment & Care

Living & Managing

Support & Resources

Related to Irritable Bowel Syndrome (IBS)

Common Treatments for Irritable Bowel Syndrome (IBS)

Hot Topics in Irritable Bowel Syndrome

10 Questions About IBS

Take these to your doctor.

What is IBS?

Leading GI specialist and psychiatrist, Dr. Douglas A. Drossman, explains just what Irritable Bowel Syndrome is in plain English.

IBS Trigger Foods

Treating Mild and Severe IBS

Good Bacteria

Choosing Multivitamins Wisely

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Living With IBS

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Irritable Bowel Syndrome (IBS) Health Center