<prompt> All are useful for management of severe clostridium difficile treatment except:Intravenous MetronidazoleNeomycin enemaFecal transplantTigecycline  <response>: Treatment of CDI: Initial episode Oral vancomycin orFidaxomicin Fulminant CDI Vancomycin plusmetronidazole IV plus considerRectal instillation of vancomycin Consider using IV tigecycline in place of metronidazole Multiple recurrences Vancomycin; orFidaxomicin orFecal microbiota transplantation FMT 