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Types of Snake Venom and Their Effects on Humans

Last updated on November 16, 2023

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Snake venom comes in different types. Different types of venom have different effects on humans. Cytotoxic Venom destroys tissue and causes pain, swelling and eats away at the flesh. Cytotoxic bites varyin potency according to the species of snake, size of the snake and the amount of venom injected. Snakes with cytotoxic venom include most of the Adders and Vipers, some Cobra species such as the Mozambique Spitting Cobra, Black Necked Spitting Cobra and Zebra Cobra. Species whose venom is cytotoxic and can cause death include Rattle Snakes, Puff Adders, Gaboon Vipers, Saw Scaled Vipers, Russell’s Viper, Bush Master, Lance Head Vipers and many other viper species as well as the Cobra species listed above. A bite from one of these snakes will cause severe swelling and often the entire limb will swell up. Tissue damage will occur and without anti venom death may follow. There are species of Viper whose venom does not cause such severe symptoms and anti venom is not usually needed and is often not produced as the symptoms of the bite are not severe enough to warrant the time and money it takes to produce anti venom. These species include Horned Adders, Copper Heads, Night Adders, White Lipped Tree Vipers and Common Adders. Neurotoxic Venom is very dangerous and bites will cause drowsiness, blurred vision, difficulty speaking and eventually paralysis which causes your lungs to stop working. Neurotoxic venom is very fast acting. If you get bitten anti venom will usually be needed, patients may also have to be put on life support if anti venom is not available or if they are not treated quick enough. Snakes which have neurotoxic venom include: Almost all of the Cobras, Mambas, Coral Snakes, Banded Kraits and Yellow Bellied Sea Snakes. Heamotoxic venom stops blood from clotting causing internal bleeding. The bite site will start bleeding and the person will start to bleed from small cuts and mucus membranes. The person will also have headaches, nausea and may start to vomit. Death may occur if anti venom is not administered. Snakes which have heamotoxic venom include: the Boomslang ( a back fanged snake from Africa) and the Vine Snake. Some snakes have a combination of different venom types for example the Berg Adder. I have not used the term victim in this article as snakes only bite people in self-defence. People are most likely to get bitten trying to pick up a snake or to kill a one.Learn Some Interesting Facts About Snake Venom

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