Appendicitis
Preoperative: One dose of cefoxitin or piperacillin/tazobactam Postoperative: Non-perforated: No further antibiotics Gangrenous: Two additional doses of piperacillin/tazobactam, or ertapenem if allergic Perforated: 12-day total course of postoperative antibiotics: piperacillin/…