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  1. 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 …

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

    Nov 5, 2023 · Ulcerative colitis (UC) is a lifelong condition that causes inflammation and ulcers inside your colon (large intestine). UC is one of the most common types of inflammatory bowel …

  3. 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.

  4. 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 …

  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 …

  6. Ulcerative Colitis (UC): Symptoms, Causes, Diagnosis, Treatment - WebMD

    Oct 7, 2023 · Ulcerative colitis (UC) is an inflammatory bowel disease. It causes irritation, inflammation, and ulcers in the lining of your large intestine (also called your colon).

  7. Definition & Facts of Ulcerative Colitis - NIDDK

    Overview of ulcerative colitis, a chronic inflammatory bowel disease (IBD) that causes inflammation and ulcers on the inner lining of the large intestine.

  8. Ulcerative Colitis | UC | MedlinePlus

    Nov 14, 2024 · Ulcerative colitis (UC) is a disease that causes inflammation and sores, called ulcers, in the lining of the rectum and colon. It is one of a group of diseases called …

  9. Ulcerative Colitis Causes and Risk Factors - Verywell Health

    Jan 6, 2026 · Ulcerative colitis causes may involve genetics, autoimmune issues, or environmental triggers, but researchers don't know exactly what leads to the disease.

  10. Ulcerative Colitis - Johns Hopkins Medicine

    Ulcerative colitis is an inflammatory bowel disease in which the inner lining of the large intestine and rectum become inflamed. Ulcerative colitis is characterized by diarrhea, abdominal pain …