American College of Gastroenterology
6400 Goldsboro Road
Bethesda, MD 20817
This comprehensive website provides information on all parts of the digestive tract. Click on the Patient link to access content on digestive health topics.
American Gastroenterological Association (AGA)
4930 Del Ray Ave.
Bethesda, MD 20814
The AGA provides information for physicians and the public about digestive disease symptoms, treatments, research, medical position statements, and advocacy. They also provide several thorough, consumer-friendly fact sheets, including one on IBS.
International Foundation for Functional Gastrointestinal Disorders, Inc. (IFFGD)
PO Box 170864
Milwaukee, WI 53217
This website covers the latest topics in IBS, including what it is, its signs and symptoms, treatment, and coping advice.