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  1. Ulcerative colitis - Symptoms and causes - Mayo Clinic

    Oct 21, 2025 · Ulcerative colitis is an inflammatory bowel disease that causes chronic inflammation and ulcers in the superficial lining of the large intestine, also called the colon.

  2. Ulcerative Colitis: Symptoms, Causes, Diagnosis & Treatment

    Ulcerative colitis (UC) is a chronic condition that happens when you have inflammation in your colon. Most people with UC experience periods of symptom flare-ups followed by periods of remission …

  3. Ulcerative colitis - Wikipedia

    Ulcerative colitis (UC) is one of the two types of inflammatory bowel disease (IBD), with the other type being Crohn's disease. [1] It is a long-term condition that results in inflammation and ulcers of the …

  4. Ulcerative Colitis (UC): Symptoms, Causes, Diagnosis, Treatment

    Oct 7, 2023 · Ulcerative colitis (UC) is an inflammatory bowel disease that affects your large intestine, causing irritation, inflammation, and ulcers in the colon. Learn more about the symptoms, causes ...

  5. Ulcerative Colitis Basics | IBD | CDC

    Jun 21, 2024 · Ulcerative colitis (UC) is the most common type of inflammatory bowel disease (IBD). It affects the inner lining of the colon and rectum, causing complete damage to the lining. People with …

  6. Ulcerative Colitis: Symptoms, Causes, Treatment, and More

    May 8, 2025 · Ulcerative colitis (UC) is a type of inflammatory bowel disease that causes inflammation and ulcers in the lining of your large intestine. It typically begins in the rectum and spreads to the colon.

  7. Ulcerative Colitis: Symptoms, Diagnosis, and Treatment

    Sep 7, 2025 · Ulcerative colitis is a type of inflammatory bowel disease that mainly affects the large intestine. Some treatments for ulcerative colitis include medications, diet changes, and sometimes …

  8. Ulcerative Colitis - NIDDK

    Ulcerative colitis is a chronic inflammatory bowel disease (IBD) in which abnormal reactions of the immune system cause inflammation and ulcers on the inner lining of your large intestine. Ulcerative …

  9. What is Ulcerative Colitis? - Crohn's & Colitis Foundation

    Ulcerative colitis is a chronic disease of the large intestine, in which the lining of the colon becomes inflamed and develops tiny open sores, or ulcers. This condition is the result of your immune …

  10. Ulcerative Colitis | UC | MedlinePlus

    Nov 14, 2024 · Ulcerative Colitis (UC) can cause long-lasting swelling and ulcers in the large intestine. It is a type of inflammatory bowel disease. Find out more.