All About Ulcerative Colitis Symptoms

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causes inflammation and ulcers along the lining of your intestines. It’s one of the two primary types of , along with .

In the United States, about have ulcerative colitis, which is the equivalent of about 700,000 people. Symptoms most often start between the ages of . The second most common period for onset is between the ages of 50 and 70.

People with ulcerative colitis often experience symptoms like a frequent need to have a bowel movement, diarrhea, and blood in their stools. Symptoms tend to appear in flare-ups and can go into recession for weeks to years at a time.

In this article, we break down everything you need to know about the symptoms of ulcerative colitis.

Common symptoms of ulcerative colitis

The severity of ulcerative colitis symptoms varies between people. Those with the mildest form of ulcerative colitis experience a normal number of stools per day and have no noticeable blood in their stools. People with severe ulcerative colitis may experience bowel movements per day and may have significant bleeding.

Ulcerative colitis tends to come on slowly and get worse over time as inflammation spreads. Getting proper treatment can help prevent symptoms from getting worse. Minimizing stress can also help prevent flare-ups.

Below are some of the most common symptoms of ulcerative colitis.

Diarrhea and rectal bleeding

People with ulcerative colitis often experience watery as well as frequent and sudden urges to have a bowel movement. For some people, the urge to have a bowel movement may occur so suddenly that it significantly disrupts their daily life. Some people need to have a bowel movement more than 10 times per day.

You may notice blood, pus, or mucus in your stools. You may also experience rectal bleeding if you’re having a flare-up. Blood comes from ulcers along the surface of your rectum.

If you have uncontrollable diarrhea or notice blood in your stool, you should see a doctor. Diarrhea caused by ulcerative colitis can lead to medical emergencies like severe , a , or .

Abdominal and rectal pain

People with ulcerative colitis often experience rectal or . Having a large amount of abdominal pain may be a sign that you’re having a flare-up or that your condition is getting worse. Pain can range from mild to severe and may also affect your rectum.

Pain may be accompanied by persistent muscle spasms and cramping.

Fever

About of people with ulcerative colitis develop a . Most of the time, the fever is chronic and low grade. If you develop a fever over 103ºF (39ºC), you should seek emergency medical attention.

Anemia

Frequent bleeding can result in (a low number of red blood cells). Anemia leads to fatigue and other symptoms like pale skin, problems concentrating, and shortness of breath.

It’s a good idea to get your iron levels checked every if you have ulcerative colitis. If you develop difficulty breathing or chest pain, you should seek immediate attention.

Additional symptoms

Ulcerative colitis can lead to a number of other symptoms. Some people may develop constipation, although it’s not as common as diarrhea. Systemic inflammation throughout your body can lead to general symptoms like:

Symptoms by type of ulcerative colitis

Ulcerative colitis can be broken into subtypes depending on where the inflammation is in your colon.

  • Ulcerative proctitis. Ulcerative affects your rectum, the part of your colon closest to your anus. It’s the most common type and affects of people with ulcerative colitis.
  • Proctosigmoiditis. Proctosigmoiditis causes inflammation of your rectum and the lower part of your colon, called the sigmoid colon.
  • Left-sided colitis. Left-sided colitis affects your rectum, your sigmoid colon, and the descending part of your colon on the left side of your body.
  • Pancolitis. affects your entire colon.

Symptoms typically become worse as inflammation spreads farther along your colon.

Ulcerative proctitis Proctosigmoiditis Left-sided colitis Pancolitis
Inflammation location rectum rectum and lower colon rectum and descending colon entire colon
Rectal bleeding
Bloody diarrhea
Rectal pain
Weight loss
Abdominal pain and cramping
Frequent and strong urge for a bowel movement
Pain on left side of abdomen

Ulcerative colitis flare-up symptoms

Ulcerative colitis tends to alternate between periods of mild and no symptoms to flare-ups that cause a worsening of the symptoms above. The exact cause of flare-ups isn’t completely known, but it’s thought certain food triggers and stress could play a role.

When ulcerative colitis flares up, you’re at a heightened risk of developing severe complications or needing emergency medical attention. Possible complications include:

  • (expansion of your colon)
  • severe bleeding
  • increased risk of

Early symptoms of ulcerative colitis

In a published in BMC Gastroenterology, researchers surveyed 483 people with IBD. The researchers found that the most common initial symptoms in people with ulcerative colitis were bloody bowel movements (86.6 percent) and diarrhea (86.5 percent).

They found the most common initial symptoms in people with Crohn’s disease were and abdominal pain.

Ulcerative colitis symptoms by sex

Ulcerative colitis is an autoimmune disorder. According to research, about of people with autoimmune disorders are female. However, IBD seems to affect all people similarly.

show ulcerative colitis is slightly more prevalent in men, but most studies show no difference.

Symptoms of ulcerative colitis are similar regardless of sex, but unique issues may occur for some people.

may develop, which are holes that allow stool to leak from the bowel to the vagina.

Ulcerative colitis may also lead to irregular periods or increased menstrual pain. Women may also be at a higher risk of and , and ulcerative colitis can further increase this risk.

How long do ulcerative colitis symptoms last?

can last from days to weeks. They can happen as close together as weeks apart or you may go years without a flare-up.

Taking medication, avoiding , and can help reduce the frequency and severity of your flare-ups.

Crohn’s vs. ulcerative colitis symptoms

Crohn’s disease and ulcerative colitis are the two primary types of IBD and cause similar symptoms.

is an inflammatory bowel disease that can affect any part of your GI tract between your mouth and your anus. It typically affects the end of your small intestines or the first part of your large intestines.

Here’s a look at how the most common symptoms of these two conditions typically compare.

Ulcerative colitis Crohn’s
Abdominal pain
Bloody stools
Fatigue
Diarrhea
Fever
Rectal pain
Malnutrition
Weight loss
Rectal bleeding
Frequent urge to have a bowel movement
Inability to have a bowel movement despite the urge
Mouth sores

Takeaway

Ulcerative colitis is a form of inflammatory bowel disease that causes the formation of ulcers in your bowel. Symptoms can range widely in severity and frequency between people.

Diarrhea and bloody stools are the two most common initial symptoms of ulcerative colitis. People also often experience abdominal or rectal pain, weight loss, and fever.

If you think you think you may have ulcerative colitis but haven’t yet received a diagnosis, it’s important to visit a doctor to minimize your chances of developing complications.