<prompt> All are useful in management of severe clostridium difficle-infection, exceptVancomycin oralNeomycin enemaIV metronidazoleTigecycline  <response>: Answer- B. Neomycin enemaOral voncomycin plus intravenous metronidazole is the treatment of choice for patients with severe und complicated clostrdium dilificle infection CDI 