Answer:
Caused by the growth of Clostridium difficile bacteria.
Step-by-step explanation:
Pseudomembranous colitis is an inflammation of the intestines that usually appears in people who are being treated with some types of antibiotics, such as Amoxicillin or Azithromycin, due to the overgrowth of Clostridium difficile bacteria in the last portion of the intestine, the colon. Bacteria cause damage to the large intestine through the bacterial toxin, leading to diarrhea and the appearance of whitish plaques inside the colon.