Hemorrhoids can cause itching, pain, swelling, bleeding, and general discomfort in the anus and rectum area.

In fatty liver, fat collects in the liver cells. Although having fat in the liver is not normal, by itself it probably does not damage the liver.

Inflammatory bowel disease (IBD) involves chronic inflammation of all or part of your digestive tract.

Functional GI disorders are the most common problems that bring patients in to see their doctor. For example, constipation and IBS.

The lower GI tract includes the small intestine, large intestine (called the colon), rectum, and anus.

If your physician suspects a problem in the upper GI tract, there are a number of diagnostic tests that may be performed. An upper endoscopy is a good way to visualize the interior of the throat, esophagus, stomach, and part of the small intestine.

A colonoscopy is a procedure used most commonly to screen for colon cancer and/or to identify and correct bleeding problems.