Complicated

  • pancreatic abscess
  • infected
  • pseudocyst
  • infected necrotic pancreas

- Tailor antibiotics to C&S results.

 
Usual Pathogens

Enterobacterales
Enterococcus spp
S. aureus
Coagulase negative Staphylococci
Anaerobes
Yeast

 

Empiric Therapy Dose Duration
Ceftriaxone 1-2g IV daily Based on clinical improvement. 
+    
Metronidazole 500mg IV/PO bid  
Alternative
   
Amoxicillin-clavulanate 1.2g IV q6h Based on clinical improvement.

Severe/ICU

Empiric Therapy Dose Duration
Piperacillin-tazobactam 4.5g IV q8h or Based on clinical improvement.
  3.375g IV q6h  

Multiple previous antibiotics/Previous ceftriaxone-resistant Gram negative organism

Empiric Therapy Dose Duration
Meropenem 500mg IV q6h Based on clinical improvement.
+    
Vancomycin 15mg/kg IV q12h  

Penicillin and carbapenem allergy

Empiric Therapy Dose Duration
Vancomycin 15mg/kg IV q12h Based on clinical improvement.
+    
Ciprofloxacin IV/PO 400mg IV q12h/500-750mg PO bid  
+    
Metronidazole IV/PO 500mg IV/PO q12h