Conditions / Adult Ulcerative Colitis

Adult Ulcerative Colitis

Colitis Infusion

Overview

Ulcerative colitis (UL-sur-uh-tiv koe-LIE-tis) is an inflammatory bowel disease (IBD) that causes long-lasting inflammation and ulcers (sores) in your digestive tract. Ulcerative colitis affects the innermost lining of your large intestine (colon) and rectum. Symptoms usually develop over time, rather than suddenly.

Ulcerative colitis can be debilitating and can sometimes lead to life-threatening complications. While it has no known cure, treatment can greatly reduce signs and symptoms of the disease and even bring about long-term remission.

Symptoms

Ulcerative colitis symptoms can vary, depending on the severity of inflammation and where it occurs. Signs and symptoms may include:

Diarrhea, often with blood or pus
Abdominal pain and cramping
Rectal pain
Rectal bleeding — passing small amount of blood with stool
Urgency to defecate
Inability to defecate despite urgency
Weight loss
Fatigue
Fever
In children, failure to grow

Most people with ulcerative colitis have mild to moderate symptoms. The course of ulcerative colitis may vary, with some people having long periods of remission.

Types

Doctors often classify ulcerative colitis according to its location. Types of ulcerative colitis include:

Ulcerative proctitis

Inflammation is confined to the area closest to the anus (rectum), and rectal bleeding may be the only sign of the disease. This form of ulcerative colitis tends to be the mildest.

Proctosigmoiditis

Inflammation involves the rectum and sigmoid colon (lower end of the colon). Signs and symptoms include bloody diarrhea, abdominal cramps and pain, and an inability to move the bowels in spite of the urge to do so (tenesmus).

Left-sided colitis

Inflammation extends from the rectum up through the sigmoid and descending colon. Signs and symptoms include bloody diarrhea, abdominal cramping and pain on the left side, and unintended weight loss.

Pancolitis

Pancolitis often affects the entire colon and causes bouts of bloody diarrhea that may be severe, abdominal cramps and pain, fatigue, and significant weight loss.

Acute severe ulcerative colitis

This rare form of colitis affects the entire colon and causes severe pain, profuse diarrhea, bleeding, fever and inability to eat.

When to see a doctor

See your doctor if you experience a persistent change in your bowel habits or if you have signs and symptoms such as:

Abdominal pain
Blood in your stool
Ongoing diarrhea that doesn’t respond to over-the-counter medications
Diarrhea that awakens you from sleep
An unexplained fever lasting more than a day or two

Although ulcerative colitis usually isn’t fatal, it’s a serious disease that, in some cases, may cause life-threatening complications.

Causes

The exact cause of ulcerative colitis remains unknown. Previously, diet and stress were suspected, but now doctors know that these factors may aggravate but don’t cause ulcerative colitis.

One possible cause is an immune system malfunction. When your immune system tries to fight off an invading virus or bacterium, an abnormal immune response causes the immune system to attack the cells in the digestive tract, too.

Heredity also seems to play a role in that ulcerative colitis is more common in people who have family members with the disease. However, most people with ulcerative colitis don’t have this family history.