Antivenom

Source: TH

Context: India, known as the ‘snakebite capital of the world,’ records over 58,000 deaths annually from venomous snakebites, despite being the largest producer and consumer of antivenoms.

About Antivenoms:

• What are Antivenoms? Antivenoms are life-saving medicines used to neutralize snake venom toxins. Produced by injecting venom into animals (usually horses), their immune systems generate specific antibodies, which are then extracted, purified, and formulated as antivenoms.

• Antivenoms are life-saving medicines used to neutralize snake venom toxins. Produced by injecting venom into animals (usually horses), their immune systems generate specific antibodies, which are then extracted, purified, and formulated as antivenoms.

• The Big Four Snakes: India’s primary venomous snakes contributing to most snakebite deaths are: Indian Cobra (Naja naja), Common Krait (Bungarus caeruleus), Russell’s Viper (Daboia russelii) and Saw-scaled Viper (Echis carinatus)

• How is Antivenom Produced?

• Venom Extraction: Snakes are milked to collect venom in controlled conditions. Immunization: Horses are injected with small, increasing doses of venom over weeks to stimulate antibody production. Antibody Extraction: Antibodies generated in the horses’ blood are extracted, purified, and processed into antivenoms. Formulation: The purified antibodies are prepared for clinical use, ensuring safety and effectiveness.

• Venom Extraction: Snakes are milked to collect venom in controlled conditions.

• Immunization: Horses are injected with small, increasing doses of venom over weeks to stimulate antibody production.

• Antibody Extraction: Antibodies generated in the horses’ blood are extracted, purified, and processed into antivenoms.

• Formulation: The purified antibodies are prepared for clinical use, ensuring safety and effectiveness.

• Features of Antivenoms:

• Specific Binding: Antivenoms neutralize toxins by binding to them like a key in a lock. Life-Saving: They counteract venom effects like paralysis, blood clotting, and tissue destruction. Polyvalent Nature: Current antivenoms target multiple snake species but have limited efficacy against less common species. Critical Role in Healthcare: Antivenoms are essential for treating snakebite victims in rural and urban areas.

• Specific Binding: Antivenoms neutralize toxins by binding to them like a key in a lock.

• Life-Saving: They counteract venom effects like paralysis, blood clotting, and tissue destruction.

• Polyvalent Nature: Current antivenoms target multiple snake species but have limited efficacy against less common species.

• Critical Role in Healthcare: Antivenoms are essential for treating snakebite victims in rural and urban areas.

• Limitations of Antivenoms:

• Geographic Inefficacy: Polyvalent antivenoms are ineffective against several region-specific snake species. Cold Storage Dependency: Antivenoms require uninterrupted refrigeration, often unavailable in remote areas. Economic Barriers: High manufacturing costs make them inaccessible for economically disadvantaged populations.

• Geographic Inefficacy: Polyvalent antivenoms are ineffective against several region-specific snake species.

• Cold Storage Dependency: Antivenoms require uninterrupted refrigeration, often unavailable in remote areas.

• Economic Barriers: High manufacturing costs make them inaccessible for economically disadvantaged populations.

Insta links:

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