A 78-year-old, retired Caucasian male presented in emergency room with 3 days history of progressive watery diarrhoea. Two weeks earlier, he received intravenous levofloxacin for community acquired pneumonia. The patient was diagnosed as severe Clostridium difficile infection based on clinical presentation, labs and imaging studies. The patient was initially treated with intravenous metronidazole and oral vancomycin. While awaiting subacute rehabilitation placement, the patient relapsed twice. After first recurrence the patient was treated with 2 weeks of oral nitazoxanide. After second recurrence, the patient was treated 2 weeks of nitazoxanide followed by tapering dose of vancomycin. The patient was followed and no relapse was reported at 1 year follow-up visit.
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