Ulcerative colitis is an inflammatory bowel disease in which the inner lining of the large intestine and rectum become inflamed. It is characterized by diarrhea, abdominal pain and blood in the stool.

Ulcerative colitis can affect more than just your gastrointestinal tract — it can affect your skin, too. Learn about symptoms and treatments for better skin health.

Mouth sores and gum problems can flare along with other Crohn’s disease symptoms. Learn how to manage these complications and why they happen.