Peritonitis/Biliary Tract/Intra-abdominal

Micro Organisms

Peritonitis/Biliary Tract/Intra-abdominal

Duration

Total IV/PO 7 days

First Line

Therapy

IV Amoxicillin 1g three times daily
+
IV Metronidazole 500mg three times daily
+
IV Gentamicin (see guideline for dosing)

Oral step down PO Co-trimoxazole 960mg twice daily + PO Metronidazole 400mg three times daily

If Penicillin Allergy

Therapy

IV Vancomycin (see guideline for dosing)
+
IV Metronidazole 500mg three times daily
+
IV Gentamicin (see guideline for dosing)

Oral step down PO cotrimoxazole 960mg twice daily + PO Metronidazole 400mg three times daily