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Related Experiment Videos

Snake bite: pit vipers.

Michael E Peterson1

  • 1Reid Veterinary Hospital, 933 SW Queen Avenue, Albany, OR 97321, USA. petersonkate@netscape.net

Clinical Techniques in Small Animal Practice
|February 3, 2007
PubMed
Summary
This summary is machine-generated.

Pit viper bites affect 150,000 pets annually. Antivenin is the only proven treatment for pit viper envenomation, with dosage depending on venom volume, pet

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Area of Science:

  • Veterinary Medicine
  • Toxicology
  • Herpetology

Background:

  • Pit vipers cause approximately 150,000 envenomations in dogs and cats yearly in the United States.
  • Bite severity depends on venom volume, toxicity, and bite location, influencing venom uptake.
  • Snake venom composition is complex, with delayed onset of clinical signs possible.

Purpose of the Study:

  • To review the clinical manifestations and treatment of pit viper envenomation in domestic animals.
  • To emphasize the importance of prompt veterinary intervention and the efficacy of antivenin therapy.

Main Methods:

  • Review of current literature on pit viper envenomation in veterinary medicine.
  • Analysis of clinical signs, diagnostic challenges, and treatment protocols.

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  • Evaluation of the role and dosage of antivenin in managing pit viper bites.

    • Main Results:

    • Clinical signs vary widely, including pain, hypotension, and thrombocytopenia; clotting abnormalities depend on snake species.
    • Venom-induced thrombocytopenia affects about 30% of envenomated animals.
    • No first aid measure prevents morbidity or mortality; antivenin is the only proven specific therapy.

    Conclusions:

    • Prompt transport to a veterinary facility and close monitoring (minimum 8 hours) are crucial.
    • Antivenin administration, with dosage adjusted for venom load, body mass, and bite site, is the definitive treatment.
    • Average antivenin dosage for dogs and cats is 1-2 vials.