Case Presentation: A 15-year-old previously healthy female presented with 2 days of fatigue and 1 day of vomiting, watery diarrhea, and dark urine. Labwork revealed a hyponatremic, hypokalemic metabolic acidosis with acute kidney injury. Despite copious electrolyte and fluid resuscitation, her diarrhea persisted, with stool output peaking at 14 liters per day. She exhibited severe [...]

Case Presentation: A 55-year-old female with a history of metastatic left renal cell carcinoma to the left hemipelvis status post nephrectomy and immunotherapy, and generalized anxiety disorder presented for chronic diarrhea described as over 10 episodes of large volume watery stools daily persisting with fasting and associated with cramping abdominal pain. She reported that previous [...]