What is your approach to secondary prophylaxis for C difficile infection during concomitant antibiotic use in a patient with a history of C difficile infection?  

We have been restricting secondary prophylaxis to those patients with severe protein malnutrition, receiving immunosuppressive chemotherapy, generally at the extremes of age who require unavoidable systemic antibiotics that cannot be withdrawn. Based on the 2024 paper by Ronza Najjar-Debbiny et al.,...