Intraperitoneal Administration of Fosfomycin, Metronidazole and Molgramostim Versus Intravenous Antibiotics for Perforated Appendicitis

All drugs will be administered together intraperitoneally at the end of the surgery after the appendix has been removed. Hereafter, the intervention group will receive three days of orally administered antibiotics: 500 mg amoxicillin combined with 125 mg clavulanic acid and 500 mg metronidazole. These doses will be administered three times daily.

4 g piperacillin/500 mg tazobactam and 1 g metronidazole administered intravenously during surgery followed by 4 g piperacillin/500 mg tazobactam and 500 mg metronidazole administered intravenously three times daily for three days.