A 48-year-old with diarrhoea after recent antibiotics tests positive for C. difficile toxin by NAAT. First episode, non-severe, no contraindications. ...

Question

A 48-year-old with diarrhoea after recent antibiotics tests positive for C. difficile toxin by NAAT. First episode, non-severe, no contraindications. Best therapy?

Accepted Answer

Fidaxomicin 200 mg BID for 10 days

Answer

Metronidazole 500 mg TID for 10 days

Answer

Vancomycin 125 mg QID for 10 days

Answer

Rifaximin 550 mg TID for 14 days

Answer

Probiotics only

us-usmle-step-2 MCQ (SBA): Clostridioides difficile Infection

A 48-year-old with diarrhoea after recent antibiotics tests positive for C. difficile toxin by NAAT. First episode, non-severe, no contraindications. Best therapy?