Case Presentation: An 89-year-old year old woman with a history of type II diabetes mellitus, insulin-naïve and well-controlled on a regimen of metformin, sitagliptin, and dapagliflozin, presented with 3 days of nausea, vomiting, and poor intake of food and liquids. She had recently been prescribed cephalexin for a suspected UTI. She reported a subacute history […]