What is C.diff? Clostridium difficile infection is a bacterial infection that causes symptoms from diarrhea to inflammation of the colon. What antibiotics are most often used to treat C.diff? Vancomycin (Vancocin) Fidaxomicin (Dificid) Metronidazole (Flagyl) What do I need to know about metronidazole? Typically oral metronidazole (Flagyl) is used first line to treat mild C.Diff. […]