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Can black widow spiders kill cats and dogs?

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A dog or cat bitten by a black widow spider must be treated with anti-venom, supportive therapy, and other medications as necessary; A brown recluse spider bite is necrotizing -- meaning the bite wound will ulcerate and cause destruction of surrounding soft tissue. read more

Today I want to talk about two types of spiders, the black widow and the brown recluse, both of which have bites that can be poisonous to pets. Black Widow Spider. In the US, there are actually three species of widow spiders that are highly venomous to both pets and people. read more

Black Widow Spider Venom Toxicosis in Cats The black widow spider belongs to the genus Latrodectus – the widow spiders. In the U.S., the three significant species to watch for are the Western widow, the Northern widow, and the Southern widow spiders, all of which are highly venomous to domestic pets and humans. read more

The venom is a potent neurotoxin that triggers a massive release in a dog's or cat's body of acetylcholine and norepinephrine. Basically they need treating with anti venom. Interesting fact is that there was a study carried out within the last year or so about black widow bites and they found that to get one to bite was actually quite hard. read more

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