Gastrointestinal diseases affect the gastrointestinal (GI) tract from the mouth to the anus. Examples include diarrhea and GERD. There are two types: functional and structural.

Gastrointestinal is an adjective meaning of or pertaining to the stomach and intestines. Most animals have a "through-gut" or complete digestive tract.

Sep 29, 2025 · Gastrointestinal (GI) diseases affect your digestive system, causing a wide range of symptoms and altering the function or structure of the digestive system.

Aug 13, 2025 · Gastrointestinal diseases like IBS, GERD, and diverticulosis can cause everything from mild discomfort to severe health issues, affecting how your digestive system functions.

Oct 27, 2025 · gastrointestinal tract, pathway by which food enters the body and solid wastes are expelled. The gastrointestinal tract includes the mouth, pharynx, esophagus, stomach, small …

Explore symptoms, causes, and treatments for gastrointestinal diseases. Learn more about effective care.

The digestive system is made up of the gastrointestinal tract—also called the GI tract or digestive tract—and the liver, pancreas, and gallbladder. The GI tract is a series of hollow organs joined in a …