Emergency Medicine Book


Cat Bite

Aka: Cat Bite
  1. See Also
    1. Animal Bite
    2. Dog Bite
    3. Animal Bite
    4. Human Bite
    5. Fight Bite
    6. Insect Bite
  2. 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
  3. 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%)
  4. Causes: Secondary infection
    1. Pasteurella (53-80% of infections)
      1. Rapidly developing (<24 hours)
      2. Intense inflammation
      3. Possible bone, joint, or tendon involvement
  5. Complications
    1. Cat Scratch Disease
  6. 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
  7. References
    1. Cowling and House (2017) Crit Dec Emerg Med 31(5): 15-20
    2. Presutti (1997) Postgrad Med 101(4): 243-54 [PubMed]

Cat bite (C0417713)

Concepts Injury or Poisoning (T037)
ICD10 W55.01
SnomedCT 157937004, 217701002
Spanish mordedura de gato (evento), Mordedura de gato, mordedura de gato (hallazgo), mordedura de gato
Dutch kattenbeet
French Morsure de chat
German Katzenbiss
Italian Morso di gatto
Portuguese Mordedura de gato
Japanese ネコ咬傷, ネココウショウ
English cat bite (diagnosis), cat bite, injury caused by cat bite, Bitten by cat, bite cat, bites cat, bites cats, Cat Bites, Cat bites, Cat bite (disorder), Cat bite, Bite of cats, Cat bite (finding), Cat bite (event)
Czech Kousnutí kočkou
Hungarian Macskaharapás
Derived from the NIH UMLS (Unified Medical Language System)

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