Clostridium difficile and its toxin-producing strains are the most common causative agents of Clostridium difficile infections. It is an inflammatory bowel disease predominantly caused by prior antibiotic treatment. The use of broad spectrum antibiotics suppresses bacterial intestinal microflora and causes overgrowth of the Clostridium difficile, and often occurs in immunocompromised, older and polymorbid patients. Following this, the authors discuss inflammatory bowel disease (including ulcerative colitis), a complex, multifactorial disease of unknown etiology. Intestinal sulfate-reducing...