Blood in the stool is a prominent symptom, especially in ulcerative colitis. It often appears as bright red blood or dark, tarry stools, depending on the severity of the condition and the extent ...

Proctitis affects the rectum, whereas ulcerative colitis can affect the colon ... system that connects the colon to the anus and allows stool to pass to where the body will excrete it.

Crohn’s disease and ulcerative colitis (UC) are both types of inflammatory bowel disease (IBD) that share similar symptoms but differ in their affected areas, disease progression, and treatment ...

Pictures help explain Crohn's and ulcerative colitis, including the symptoms, causes, testing, treatments, and home care needed to manage these types of inflammatory bowel disease (IBD).