A 55‑year‑old woman with diarrhea and fever has WBC 18,000/µL and serum creatinine 1.4 (baseline 0.7) with positive C. difficile NAAT. What adjunct re...

Question

A 55‑year‑old woman with diarrhea and fever has WBC 18,000/µL and serum creatinine 1.4 (baseline 0.7) with positive C. difficile NAAT. What adjunct reduces recurrence risk in high‑risk patients when added to standard therapy?

Accepted Answer

Bezlotoxumab single IV dose during CDI therapy

Answer

Rifaximin 550 mg TID for 14 days

Answer

Probiotics for 4 weeks

Answer

Fecal microbiota transplantation as initial therapy

Answer

Prolonged metronidazole taper

us-abim MCQ (SBA): C. difficile (Recurrence Prevention)

A 55‑year‑old woman with diarrhea and fever has WBC 18,000/µL and serum creatinine 1.4 (baseline 0.7) with positive C. difficile NAAT. What adjunct reduces recurrence risk in high‑risk patients when added to standard therapy?