Many other disorders can affect the digestive tract. Some can have symptoms that may be similar to or overlap with gastrointestinal (GI) functional or motility disorders. These will have uniquely identifying features which differentiate them from functional GI or motility disorders.

Abdominal Adhesions
Anal Fistulas
Celiac Disease
Clostridium Difficile (C. Difficile)
Congenital Sucrase-Isomaltase Deficiency (CSID)
Eosinophilic Gastroenteritis
Food Allergies
• Gastrointestinal Infections (e.g., Giardia, Yersinia)
Inflammatory Bowel Disease
Lactose Intolerance
Narcotic Bowel Syndrome
Radiation Therapy Injury to the Colon and Rectum
Short Bowel Syndrome  
Superior Mesenteric Artery (SMA) Syndrome
Rare Diseases

2021 Advocacy Event


Join us to share your digestive health stories with Members of Congress during IFFGD's 2021 Virtual Advocacy Event.

Your voice, along with other advocates, will make a positive impact across Capitol Hill.

Visit the Event Page


Working with Your Doctor

patient doctor

Successful relationships with healthcare providers are an important part of managing life with a long-term digestive disorder.

Doctor–Patient Communication

How to Help Your Doctor Help You

How to Talk to Your Doctor