Russell's Viper vs Hump-nosed Pit Viper bites: hospital antivenom protocols Sri Lanka?
6 Answers from travellers
Sri Lankan state Teaching Hospitals (Karapitiya in Galle, Peradeniya, and Colombo National Hospital) maintain emergency protocols for venomous snakebites. The available Indian polyvalent antivenom targets the "Big Four" (Russell's Viper, Common Krait, Cobra, Saw-scaled Viper), but its efficacy against Sri Lankan Russell's viper venom is imperfect due to geographic venom variations, causing allergic reactions in up to 50% of recipients. Crucially, Indian polyvalent antivenom has zero neutralizing efficacy against the Hump-nosed Pit Viper (Hypnale hypnale), which causes the highest bite frequency in the country. Hypnale bites require supportive care and close monitoring for acute kidney injury rather than unindicated antivenom.
Never apply tourniquets, cut the wound, or suck out venom; these outdated practices cause massive localized tissue necrosis and accelerate gangrene.
Immobilize the bitten limb using a splint and transport the victim immediately via 1990 Suwa Seriya ambulance service to the nearest tertiary government hospital rather than rural dispensaries.
Do not rely on rural "Sarpa Veda" (indigenous snakebite healers) when systemic envenomation symptoms—such as ptosis, coagulopathy, or dark urine—appear; modern hemodialysis access is vital.
Field workers in cinnamon and tea estates must wear thick leather work boots and use walking sticks to vibrate leaf litter ahead of foot placement.
Take a clear photograph of the dead or captured specimen from a safe distance for clinical identification, but do not risk secondary envenomations trying to kill it.
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