Bite Wounds

Valeria Fabre, M.D.

PATHOGENS

PATHOGENS

PATHOGENS

  • Commonly seen pathogens:
    • Pasteurella spp.
      • P. multocida (cats and dogs)
      • P. septica (cats)
    • Capnocytophaga canimorsus (dogs): infrequent but can be severe with asplenia or cirrhosis.
    • Eikenella corrodens (humans)
    • Streptococcus spp (all bites, especially S. anginosus)
    • Staphylococcus aureus (all bites, including 30-50% of dog and cat bites)
    • Staphylococcus intermedius (dogs)
    • Anaerobes (50 - 70% of all bites, especially Prevotellaspp., but rarely detected)
  • Viruses: case reports following human bite wounds
    • HIV
    • Hepatitis B
    • Hepatitis C
  • Monkey bites: see Herpes B virus module.
  • Bear bites: strep, staph, Enterococcus and gram negatives (E. coli,Proteus, Citrobacter, Serratia)
  • Rat bites: Streptobacillus moniliformis, Spirillum minus

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