Pathogens
Bacteroides fragilis

Bacteroides fragilis

Precautions

Standard Precautions

Susceptibilities

General Information

  • Metronidazole 500mg PO/IV q12hr
  • Higher dose required for CNS infections

Anaerobic Gram-negative rod

  • Most common anaerobic infection
  • Colonizes GI tract of all humans
  • Intra-abdominal abscess/sepsis
  • Rupture intra-abdominal viscera
  • Perianal abscess
  • Tubo-ovarian abscess

Double coverage with piperacillin/tazobactam or carbapenem in addition to metronidazole is not necessary.