Case Presentation: A 41-year-old male with past medical history of ulcerative colitis (UC) currently on vedolizumab infusions every 8 weeks presented to the hospital with right lower quadrant abdominal pain. The patient endorsed nausea, vomiting, and 15-20 loose, bloody bowel movements per day. Upon admission, the patient was afebrile, normotensive, and non-tachycardic. Physical exam revealed [...]