Patients with UC predominantly complain of rectal bleeding with frequent stools and mucosal discharge from the rectum, the onset of which is typically insidious. In severe cases, patients have frequent bowel movements with abdominal pain and severe dehydration.
The characteristic presentation in Crohn's disease is abdominal pain and diarrhea, along with low-grade fever, weight loss, and general fatigue. Diarrhea is often intermittent and not grossly bloody. Patients with gastroduodenal involvement usually experience nausea and vomiting.
Learn more about the clinical presentation of UC.
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Cite this: B.S. Anand. Fast Five Quiz: Ulcerative Colitis Signs and Symptoms - Medscape - Apr 29, 2022.