In this episode of “Ask a Nurse,” Kathy from Level Up RN discusses ulcerative colitis, a chronic inflammatory bowel disease. She explains its symptoms, including diarrhea, blood in stool, and abdominal pain, as well as the underlying causes, primarily an abnormal immune response. Kathy outlines the diagnostic process, involving medical history, blood tests, and endoscopy. Treatment options she mentions include medications like aminosalicylates and corticosteroids, dietary changes, and possibly surgery for severe cases.