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Krait bite requiring high dose antivenom: a case report.

Sanjib Kumar Sharma1, Shekhar Koirala, Gaheraj Dahal

  • 1Department of Medicine, BP Koirala Institute of Health Science, Dharan, Nepal. drsanjib@yahoo.com

The Southeast Asian Journal of Tropical Medicine and Public Health
|July 18, 2002
PubMed
Summary

Anti snake venom (ASV) is crucial for treating snakebites. This case highlights the need for high doses and close monitoring of ASV in common krait (Bangarus caeruleus) neurotoxic envenomation.

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Area of Science:

  • * Clinical Toxicology
  • * Herpetology

Background:

  • * Snakebite envenomation is a significant health concern, particularly in regions with prevalent venomous species.
  • * Anti snake venom (ASV) is the primary treatment for envenomation, with polyvalent ASV being commonly used in Nepal, effective against cobra and krait bites.

Observation:

  • * A case of neurotoxic envenomation following a bite by a common krait (Bangarus caeruleus) is presented.
  • * The patient exhibited neurological manifestations characteristic of krait venom neurotoxicity.
  • * Initial response to ASV was slow, necessitating prolonged observation.

Findings:

  • * The patient required a significantly higher dose of polyvalent ASV than typically administered to achieve reversal of neurological signs.
  • * Continuous administration and close monitoring were critical due to the potential for recurrent neurotoxicity from ongoing venom absorption.

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  • * The effectiveness of Indian-produced polyvalent ASV against common krait envenomation in Eastern Nepal was observed, albeit with high dosage requirements.

    • Implications:

    • * This case underscores the importance of high-dose ASV therapy and vigilant patient monitoring in managing severe neurotoxic envenomation from common krait bites.
    • * It suggests that current ASV dosing protocols may need re-evaluation for specific venomous species and severity of envenomation.
    • * Further research into optimal ASV administration strategies for neurotoxic snakebites is warranted to improve patient outcomes.