Derm

Cat Bite

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Cat Bite

  • Epidemiology
  1. Accounts for 5-10% of Animal Bites in U.S.
  2. High infection rate (50%)
  3. Most common in adult women, and typically involves extremities
  • Pathophysiology
  1. Long slender fangs penetrate easily to deeper structures
    1. Risk of significant deep space infection, while the surface appears relatively benign
  2. Wound types
    1. Puncture Wounds (57-86%)
    2. Superficial abrasions (9-25%)
    3. Lacerations (5-17%)
  • Causes
  • Secondary infection
  1. Pasteurella (53-80% of infections)
    1. Rapidly developing (<24 hours)
    2. Intense inflammation
    3. Possible bone, joint, or tendon involvement
  • Complications
  • Management
  1. See Animal Bite for irrigation and general management
  2. Antibiotic coverage
    1. See Infected Animal Bite
    2. Similar antibiotics as for Dog Bite Infection
    3. All Cat Bites should receive antibiotics
    4. Amoxicillin-clavulanate (Augmentin) or second-generation Cephalosporin
  3. DO NOT close punctures or Lacerations over 1-2 cm
    1. Impossible to properly cleaned
  4. Cosmetically important wounds < 1-2 cm
    1. Delayed primary closure
  • References
  1. Cowling and House (2017) Crit Dec Emerg Med 31(5): 15-20
  2. Presutti (1997) Postgrad Med 101(4): 243-54 [PubMed]