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People who have been bitten by a black widow spider are recommended to seek professional medical assistance for symptoms. [15] Symptoms self-resolve in hours to days in a majority of bites without medical intervention. Medical treatments have varied over the years. Some treatments (e.g. calcium gluconate) have been discovered to be useless. [16]
Due to the presence of latrotoxin in their venom, black widow bites are potentially dangerous and may result in systemic effects (latrodectism) including severe muscle pain, abdominal cramps, diaphoresis, tachycardia, and muscle spasms. [28] Symptoms usually last for 3–7 days, but may persist for several weeks. [29]
A latrotoxin is a high-molecular mass neurotoxin found in the venom of spiders of the genus Latrodectus (widow spiders) as well as at least one species of another genus in the same family, Steatoda nobilis. [1] Latrotoxins are the main active components of the venom and are responsible for the symptoms of latrodectism.
Intense pain, muscle stiffness, possible nausea, and vomiting are the telltale signs of a black widow spider bite, and these symptoms will likely occur within a few hours after being bitten ...
The black widow gets its name from a particularly gnarly behavior: Males are often killed and eaten by females shortly after mating. A female can live up to a year or more and produce several egg ...
Latrodectus mactans, known as southern black widow or simply black widow, and the shoe-button spider, [citation needed] is a venomous species of spider in the genus Latrodectus. The females are well known for their distinctive black and red coloring and for the fact that they will occasionally eat their mates after reproduction.
How to Identify a Black Widow Spider There's probably a specific image that comes to mind when you picture a black widow spider: A large, shiny, black spider with a red hourglass on its belly.
Latrodectus hasselti, the redback spider. The widow spiders (genus Latrodectus), such as the black widow, redback spider, and katipÅ are spiders that carry a neurotoxic venom [18] which can cause a set of symptoms known as Latrodectism. Widow spiders are large, shiny house spiders with relatively spindly legs and deep, globular abdomens.