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