Clostridioides difficile, formerly known as Clostridium difficile, is a gram-positive and spore-forming bacterium. This obligate anaerobic bacillus is recognized for its ability to produce toxins and cause diarrhea, which is often associated with antibiotic usage. Although traditionally considered a primary healthcare-associated infection, C difficile is also increasingly diagnosed within community settings. The emergence of the newer, hypervirulent, antibiotic-resistant, epidemic strain—ribotyp

Stool Clostridium difficile toxin test shows a negative reaction for Toxin A and Toxin B.