Guidelines
Diverticulitis

Diverticulitis

Most Common Pathogens

E. coli, Klebsiella, Proteus

Bacteroides sp., Fusobacterium sp.

Enterococcal coverage only generally necessary if:

  • Isolated in pure culture OR
  • Healthcare associated infection OR
  • Patient is immunocompromised OR
  • Blood culture positive OR
  • In patients with valvular heart disease or prosthetic intravascular materials

Without Perforation

With Perforation

AND

OR

Second line

AND

Duration of Therapy

5 days minimum

Clinical Pearls

Longer duration of therapy is not associated with improved outcome

On Day 3 or when cultures and sensitivities results are available, tailor antimicrobial therapy to pathogen

Consider diagnostic investigation, if experiencing inadequate clinical response at Day 4-7