Ulcerative colitis is a relatively common long-term condition that causes inflammation in the colon. It is a form of inflammatory bowel disease (IBD) that is similar to Crohn's disease. - Morelia Medical
Ulcerative Colitis – Symptoms, Causes, Types and Complications
How long do ulcerative colitis flare-ups last? - Medicine.com
Ulcerative Colitis - Gastrointestinal Society
Ulcerative Colitis - Causes, Symptoms and Treatment
Ulcerative Colitis - Symptoms and Causes | Penn Medicine