We evaluated changes in population attributable risk of “4C” antibiotics for community-associated Clostridioides difficile infection in Ontario (2017–2024). Contributions from clindamycin, cephalosporins, and fluoroquinolones declined, whereas amoxicillin-clavulanate increased and became the leading contributor by 2022, highlighting a potential emerging target for outpatient antimicrobial stewardship.
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Wong et al. (2026) studied this question.
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