Peritonitis involving a Capnocytophaga sp. in a patient undergoing continuous ambulatory peritoneal dialysis

Capnocytophaga is a genus of gram-negative rods involved mainly in bacteremia in immunocompromised hosts. Here we report a case of Capnocytophaga peritonitis in a patient undergoing continuous ambulatory peritoneal dialysis. The disease appeared as a superinfection during antimicrobial therapy of a previous episode of peritonitis.