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A venomous spider bite (like this brown recluse bite) can cause a red or purplish rash radiating from the site of the bite. There are only a few species of spiders in the U.S. that can bite humans.
There are a few larger spider species, including wolf spiders and fishing spiders, that might get aggressive and bite humans if they're provoked. But bites from these spiders aren't dangerous.
Two venomous spiders, black widows and brown recluse spiders, can cause severe symptoms, experts say. Here are spider bite pictures and tips to identify them.
However, most bite victims suffer only local pain and bleeding, a few more have limited neurotoxic symptoms (tingling, racing heart, more widespread pain), and there have been several recorded bites by this spider producing severe symptoms requiring medical treatment. [37] There are no recorded human fatalities due to mouse spider bites.
However, wolf spiders usually only bite when they feel threatened or mishandled. [13] Wolf spiders have been found to be a vital source of natural pest control for many people's personal gardens or even homes, since the wolf spider preys on perceived pests such as crickets, ants, cockroaches, and in some cases lizards and frogs. [14]
Wolf spiders are usually not aggressive and will not bite unless readily provoked. They also possess venom that is injected into organisms upon biting. However, to humans, wolf spider bites are generally considered minor and not medically significant. Bites typically cause minor swelling and pain, but no severe complications.
Time is the best healer of a hobo spider bite wound. "Clean the area with soap and water, and use a cool compress and oral pain medication such as ibuprofen as needed," Dr. Ifedi says. 14.
There are more than 3,500 different kinds of spiders in the U.S., but only two pose a real threat to Mississippi, Alabama and Georgia residents.