Crohn’s Disease vs. Ulcerative Colitis
Crohn’s Disease
- Can affect any part of the GI tract from the mouth to the anus
- Can affect the entire thickness of the bowel wall
Ulcerative Colitis
- Only the colon and rectum are affected
- Affects the inner-most lining of the large intestine

Source: Crohn’s and Colitis Foundation
Here’s a link to more information about the two conditions (Crohn’s Disease) (Ulcerative Colitis)
Signs and symptoms:

Here are the differences in diagnostic findings:

References:
1. National Institutes of Health (NIH)
2. National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
3. Crohn’s & Colitis Foundation