Crohn's disease manifests in inflammatory bowel disease (IBD) patients in a variety of ways. The eyes, mouth, skin, and joints can be affected, and sores and ulcers can occur, even outside the digestive tract. There are many other issues common to IBD, but people only hear about the "bathroom" problems. Of course, there are bathroom problems — or "bottom" problems, as I like to call them. Crohn's disease can often cause perianal manifestations, including abscesses, fistulas, fissures, and other problems targeting the rectal cavity and anal region. When the rectal cavity and anal region are affected, perianal disease can occur. Perianal disease can cause hemorrhoids or strictures, leading to urgency and tenesmus.