A 65 yo woman with history of DM living with her daughter and preschool grandchildren presents to the ER with a skin infection with some significant swelling and drainage, suggestive of a potential abscess. At this point, which empiric therapy would be most appropriate to treat her suspected cellulitis? She has NKDA with a SCr of 1.1 mg/dL.
Vancomycin
Ciprofloxacin
Penicillin VK
Nafcillin