Important: Therapy
Amoxicillin oral 500mg 8 hourly (or IV 1g 8 hourly if oral route not available)
+
Metronidazole oral 400mg 8 hourly (or 500mg IV 8 hourly if oral route not available)
Penicillin allergy
Doxycycline oral 200mg stat on first day then 100mg daily
(or vancomycin IV if oral route not available. Dosing as per guideline. Use vancomycin calculator)
+
Metronidazole oral 400mg 8 hourly (or IV 500mg 8 hourly if oral route not available)