Practice question

Answer the question and get instant feedback.

HardInfectious DiseasesC. difficile Infectionus-abimus-usmle-step-3

A 70-year-old with severe CDI (WBC 17,000/µL) and prior episode 3 months ago has CKD and heart failure. Best add-on to standard therapy to reduce recurrence?

Educational content. Not a substitute for clinical judgement or local policy.