A 58-year-old with suspected CDI asks why metronidazole isn't first-line. Which rationale is correct?...

Question

A 58-year-old with suspected CDI asks why metronidazole isn't first-line. Which rationale is correct?

Accepted Answer

Fidaxomicin reduces recurrence and is preferred; vancomycin acceptable alternative

Answer

Higher cure with metronidazole

Answer

Metronidazole is more effective for severe CDI

Answer

Fidaxomicin has more adverse effects

Answer

Vancomycin is contraindicated in older adults

us-abfm MCQ (SBA): C. difficile Management