Pathogens
Bacteroides fragilis

Bacteroides fragilis

Susceptibilities

General Information

  • Metronidazole
  • Piperacillin/tazobactam (bowel perforation / bacteremia)
  • Ampicillin/sulbactam
  • Amoxicillin/clavulanate
  • Carbapenems

Anaerobic gram negative rod

  • Most common anaerobic infection
  • Colonizes GI tract of all humans, colon>small bowel
  • Intra-abdominal infection

  • Perianal abscess

  • Tubo-ovarian abscess