IVIG - A cure to severe refractory NAP-1 Clostridium difficile colitis? A case of successful treatment of severe infection, which failed standard therapy including fecal microbiota transplants and fidaxomicin.

The mainstay treatment of Clostridium difficile infections (CDI) is antimicrobials with growing support for fecal microbiota transplants. We report the first case of an elderly man with severe refractory NAP-1 pseudomembranous CDI who failed all medical therapy and two fecal transplants with response only seen after administration of intravenous immunoglobulin.