Cat bite

Microbiology

• Aerobic organisms
  • Pasteurella 75%
  • Streptococcus 46%
  • Staphylococcus 35%
  • Neisseria 35%
  • Moraxella 35%
  • Corynebacterium 28%
  • Enterococcus 12%
  • Bacillus 11%
• Anaerobic organisms
  • Fusobacterium 33%
  • Porphyromonas 30%
  • Bacteroides 28%
  • Prevotella 19%
  • Propionibacterium 18%

Management

• First-line treatment: amoxicillin-clavulanic acid
• Alternatives:
  • Penicillin or amoxicillin alone, if only Pasteurella isolated

Further Reading

• Microbiology of Animal Bite Wound Infections. Clin Micro Rev. 2011;24(2):231-246. doi: 10.1128/CMR.00041-10