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IBS--What You Need to Know

Irritable bowel syndrome (IBS) is a common problem that leads to stomach pains or cramps that are often relieved by having a bowel movement. Patients with IBS often have problems with constipation (infrequent or difficult bowel movements), diarrhea, or both. They may feel an urgent need to move the bowels, particularly in times of stress. Other symptoms include gassiness, bloating, or mucus in the stools.

How does my doctor know if I have IBS?

IBS can be suspected when you have a pattern of typical symptoms and no other conditions to explain them. Your doctor will take a complete medical history, paying careful attention to your symptoms. Your doctor will do an exam to look for any signs of other diseases. Your doctor may order some lab tests, including stool tests. Sometimes, a sigmoidoscopy is performed, during which a flexible tube is inserted through the anus to look inside the colon.

What are the treatments for IBS?

Some patients' symptoms seem to be made worse by certain foods. Keeping a diary can help you
see if there are any foods that you might need to avoid. Some examples are caffeine, alcohol,
fatty foods, and sorbitol (found in some diet products). Adding fiber to your diet can be helpful
sometimes, particularly for constipation. For severe constipation, you may need to use a laxative.

• For diarrhea, loperamide (brand name: Imodium) can help, and can be taken as needed.
Soluble fiber found in oat bran and psyllium-containing products (like Metamucil) can
help diarrhea and constipation.
• Some patients with IBS can have significant stomach pain and may benefit from a drug
such as dicyclomine (Bentyl) that helps with stomach spasms.
• Certain kinds of antidepressants are also helpful, even in patients who are not depressed.
It is true that many patients with IBS have depression or anxiety, and this should be
treated as well.
• Treatments such as stress management or relaxation techniques help some patients.

Does IBS lead to colon cancer or other diseases?

IBS does not lead to colon cancer or ulcerative colitis or any other serious diseases. A person with IBS is no more likely to get colon cancer than any other person. IBS is inconvenient and uncomfortable, but is not a harmful condition. The key to living with IBS is learning to control it and not letting it control you.

For more information about IBS, see the Irritable Bowel Syndrome Self-Help Group website at www.ibsgroup.org. This handout provides a general overview on this topic and may not apply to everyone. To find out if this handout applies to you and to get more information on this subject, talk to your family doctor.
Visit familydoctor.org for information on this and many other health-related topics.


Copyright © 2002 by the American Academy of Family Physicians.
Permission is granted to print and photocopy this material for nonprofit educational uses. Written permission is required for all other uses, including electronic uses.