Colitis and IBD Info

What is Ulcerative Colitis?

Ulcerative colitis is a chronic disease of the large intestine, also known as the colon, in which the lining of the colon becomes inflamed and develops tiny open sores, or ulcers, that produce pus and mucous. The combination of inflammation and ulceration can cause abdominal discomfort and frequent emptying of the colon.

Ulcerative colitis is the result of an abnormal response by your body’s immune system. Normally, the cells and proteins that make up the immune system protect you from infection. In people with IBD, however, the immune system mistakes food, bacteria, and other materials in the intestine for foreign or invading substances. When this happens, the body sends white blood cells into the lining of the intestines, where they produce chronic inflammation and ulcerations.

It’s important to understand the difference between ulcerative colitis and Crohn’s Disease. Crohn’s disease can affect any part of the Gastrointestinal (GI) Tract, but ulcerative colitis affects only the colon. Additionally, while Crohn’s disease can affect all layers of the bowel wall, ulcerative colitis only affects the lining of the colon.

While both ulcerative colitis and Crohn’s disease are types of Inflammatory Bowel Diseases (IBD), they should not be confused with Irritable Bowel Syndrome (IBS), a disorder that affects the muscle contractions of the colon. IBS is not characterized by intestinal inflammation.

What is Crohn’s Disease?

It is important to know that Crohn’s disease is not the same thing as ulcerative colitis, another type of IBD. The symptoms of these two illnesses are quite similar, but the areas affected in the gastrointestinal tract (GI tract) are different.

Crohn’s most commonly affects the end of the small bowel (the ileum) and the beginning of the colon, but it may affect any part of the gastrointestinal (GI) tract, from the mouth to the anus. Ulcerative colitis is limited to the colon, also called the large intestine.

Crohn’s disease can also affect the entire thickness of the bowel wall, while ulcerative colitis only involves the innermost lining of the colon. Finally, in Crohn’s disease, the inflammation of the intestine can “skip”– leaving normal areas in between patches of diseased intestine. In ulcerative colitis this does not occur.

 

Source:http://www.ccfa.org/what-are-crohns-and-colitis/what-is-ulcerative-colitis/

Source:http://www.ccfa.org/what-are-crohns-and-colitis/what-is-crohns-disease/

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