Clostridium difficile is a spore-forming, Gram-positive anaerobic bacillus that produces two exotoxins: toxin A and toxin B. It is a common cause of antibiotic-associated diarrhea, accounting for 15% to 25% of all episodes. Symptoms include watery diarrhea, fever, loss of appetite, nausea, and abdominal pain or tenderness. It can cause pseudomembranous colitis, toxic megacolon, perforations [...]