The differences made clear...

This chart (also shown below) contains some concise and helpful basic differences between Crohn's and Ulcerative Colitis.

 

	Ulcerative Colitis	Crohn's Disease
Average age of onset	Late teens and twenties	Late teens and twenties
Site of inflammation	Colon and rectum	Anywhere from the mouth to the rectum; most commonly in the small and/or large intestines
Number of people in the U.S. with this condition	About 500,000	About 500,000
Common symptoms during active stages	Bloody diarrhea, abdominal pain/cramping, rectal bleeding	Diarrhea, abdominal pain/cramping
Medications used for treatment	5-ASAs,steroids, other medications as prescribed by a doctor	Currently there are no drugs approved by the Food and Drug Administration (FDA) to treat symptoms of mild Crohn's disease. However, medication is available to reduce the symptoms of moderate and severe cases. Ask your doctor for more information.