Clostridium difficile Toxin A is a toxin produced by Clostridium difficile bacteria, which is a major cause of healthcare-associated gastrointestinal infections. The toxin causes inflammation in the intestines, leading to symptoms like diarrhoea, abdominal pain, and in severe cases, colitis or toxic megacolon.

Clostridium difficile Toxin B is a potent toxin produced by Clostridium difficile, contributing to severe gastrointestinal infections. It causes significant damage to the intestinal lining, leading to symptoms like diarrhoea, abdominal pain, and potentially life-threatening conditions such as colitis.