Story From the Front Lines A 58-year-old Hispanic man with diabetes complicated by recent
toe amputations presented with worsening drainage of a toe wound. Three days prior to
presentation, he completed a 7-day course of levofloxacin for treatment of community-
acquired pneumonia, and his pneumonia symptoms had resolved. On physical examination,
he was afebrile, hemodynamically stable, euvolemic, and had no skin eruptions. Laboratory
test results were notable only for an elevated creatinine level of 6.7 mg/dL from a normal …