Digestive Disease Center - Medical University of South Carolina
Information for the public and health care professionals. Includes the organs and problems associated with them, as well as details about the center.
http://www.ddc.musc.edu/

Gastrolab
This site is dedicated to digestive disorders. Chat and a mailing list available for support.
http://www.gastrolab.net/welcome.htm

Principal Health News - Digestive Center
Digestive disorders center for help with intestinal problems, from common disorders like flatulence or heartburn to less common ones such as Crohn's Disease or gallstones.
http://www.principalhealthnews.com/topic/digestivecenter

MCW HealthLink
Information and news on digestive disorders from the physicians and scientists of the Medical College of Wisconsin.
http://healthlink.mcw.edu/digestive-disease/

NIDDK
This document contains patient education fact sheets on six diagnostic tests involving gastrointestinal disorders: colonoscopy, sigmoidoscopy, upper GI series, lower GI series, upper endoscopy and ERCP.
http://www.niddk.nih.gov/health/digest/pubs/diagtest/index.htm

Introductory Anatomy: Digestive System
A complete look at the this system starting with the purpose, mouth, swallowing, oesophagus, stomach, duodenum, small and large intestines, salivary glands, pancreas, liver and gallbladder.
http://www.leeds.ac.uk/chb/lectures/anatomy8.html

UCLA Center for Neurovisceral Science and Women's Health
Information about IBS, diarrhea, constipation, abdominal pain, GERD and other GI disorders. Also includes information about clinical trials
http://ibs.med.ucla.edu

eMedicine Health - Abdominal Pain in Children
Consumer health resource center providing an overview of a tummy ache and its causes, symptoms and treatment.
http://www.emedicinehealth.com/Articles/9810-1.asp

Radiology Info: Upper GI Radiography
Information about the procedure. Explains what patients might experience, how to prepare, and benefits versus risks.
http://www.radiologyinfo.org/en/info.cfm?pg=uppergi

AOL Body - Digestive Disorders
Find information on the sensitive gut, gastroesophageal reflux disease, irritable bowel syndrome, constipation, antacids and infants and acid reflux.
http://body.aol.com/condition-center/digestive-disorders

WebMD - Heartburn/GERD Health Center
Find information on gas, bloating, and burping. Includes the causes and treatments.
http://www.webmd.com/heartburn-gerd/tc/Gas-Bloating-and-Burping-Topic-Overview

eMedTV's Digestive Disorder Channel
A comprehensive site that includes in depth, medically created and reviewed articles and interactive videos covering the latest news, including the issues, complications, treatments and drug information.
http://digestive-system.emedtv.com/