16-Year-Old With Rash After Septoplasty

A 16-year-old girl presents to urgent care with complaints of fever, chills, and a diffuse sunburn-like rash that developed over the past day. The patient underwent septoplasty 2 days prior for a deviated septum, and nasal packing was utilized to manage her postoperative bleeding. On examination in urgent care, she was febrile to 104°F (40°C), tachycardic, and hypotensive. Widespread erythematous blanching macules and patches were seen.  

View the image below and consider what your diagnosis and next steps would be. Resolution of the case is described on the following page