Case Presentation: A 21-year-old man with no previous medical history presented to the emergency department with nausea, vomiting and diarrhea for one week. Labs were significant for white blood cell (WBC) count 3.4 k/ul with decreased lymphocytes along with mild elevation of transaminases and lipase. He was thought to have viral gastroenteritis and was discharged. [...]

Case Presentation: A 35-year-old male with past-medical-history significant for cerebral palsy and ventriculoperitoneal shunt for ventriculomegaly was admitted with fever. Patient had completed a course of levofloxacin before admission. Patient was started on azithromycin and meropenem, for possible aspiration pneumonia, because of penicillin allergy. He continued to be febrile with elevated leukocytes despite antibiotics. Considering [...]