Case Presentation: 71-year-old male with multiple myeloma being treated with dexamethasone, elotuzumab and bortezomib, prior mediastinal plasmacytoma s/p chest radiation therapy and Crohn’s disease was admitted with high-grade fever, chills, productive cough. Labs revealed pancytopenia with neutrophil count of 1.2. Patient was started on broad-spectrum antibiotics for febrile neutropenia. IV Azithromycin was added to the [...]