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Latrodectism ( / lætrəˈdɛktɪzəm /) is the illness caused by the bite of Latrodectus spiders (the black widow spider and related species). Pain, muscle rigidity, vomiting, and sweating are the symptoms of latrodectism. There are several spider species all named black widow: southern black widow spider ( L. mactans ), the European black ...
The pathophysiology of a spider bite is due to the effect of its venom. A spider envenomation occurs whenever a spider injects venom into the skin. Not all spider bites inject venom – a dry bite, and the amount of venom injected can vary based on the type of spider and the circumstances of the encounter. The mechanical injury from a spider ...
Brown recluse venom only acts locally at the site of the bite, typically causing severe skin issues. The venom of a black widow spider, however, is a neurotoxin, the CDC says.
Latrodectus mactans. ( Fabricius, 1775) [1] 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 ...
These pictures of common venomous bites, including brown recluse and black widow spider bites, will help you determine what bit you and how to relieve symptoms. What You Think Is A Spider Bite Is ...
Latrodectus hesperus, the western black widow spider or western widow, is a venomous spider species found in western regions of North America. The female's body is 14–16 mm (1/2 in) in length and is black, often with an hourglass -shaped red mark on the lower abdomen. This "hourglass" mark can be yellow, and on rare occasions, white.
If you are bitten by a spider, but you don’t believe it is a black widow or yellow sac spider, the Washington State Department of Health recommends you to: Wash the bite area with soap and water ...
Latrodectus tredecimguttatus, also known as the Mediterranean black widow [2] or the European black widow, [3] is a species in the genus Latrodectus of the widow spiders. It is commonly found throughout the Mediterranean region, ranging from southern Iberia to southwest and central Asia, hence the name. Specimens from central Asia are also ...