Introduction: Clostridium difficile is the most important definable cause of healthcare acquired diarrhea. Recommended treatments for Clostridium difficile infection (CDI) are metronidazole. oral vancomycin and fidaxomicin (a new narrow spectrum macrocyclic antibiotic). Aim: The aim of this investigation was to review the treatment of CDI in Iran. https://www.knowall.blog/