Although the black house spider can look intimidating because of its dark coloring, thick legs, and generally large size -- females average just under 1 inch -- they usually will not bite humans unless provoked or unless they feel as if they are in danger. While the bite of the black house spider is not usually lethal, it is venomous and can cause harmful and uncomfortable effects to the bitten victim. Unlike what its name suggests, black house spiders can be found inside homes and outside.
Common Short-Term Side Effects
Black house spider bites, while infrequent, usually cause an extensive amount of pain at the bite site. This pain is more likely to last more than 24 hours, due to the venomous nature of the black house spider. Local swelling and redness of the skin are also usually seen soon after a bite, and can last anywhere from a few hours to a couple of days, depending on the severity of the bite and the amount of venom injected. To identify the bite as a spider bite, look for small puncture wounds where there is pain and swelling.
Possible Short-Term Effects
Some victims of black house spider bites may experience nausea, vomiting, and abdominal pain as a result of the spider venom. Lethargy and mild headaches soon after the bite may also occur.
Extraordinary Side Effects
While rare, there have been documented examples of dangerous and severe reactions to black house spider bites, especially if you are bitten more than once. Skin lesions, or arachnogenic necrosis, may appear soon after the bites, causing local blistering, ulcers and necrosis.
Treatment for Black House Spider Bites
Although black house spider bites are not nearly as dangerous as other spider bites, they can still cause severe pain and some injury, especially to the local area. To reduce swelling and pain, thoroughly wash and ice the bite as soon as you notice it, and consider taking a pain-relieving medicine. If the pain and the swelling persist for an extended period of time, consult your doctor for further medical advice and treatment, especially if you begin to notice symptoms other than mere pain and swelling.
- Photo Credit Jupiterimages/Goodshoot/Getty Images
Signs & Symptoms of Black Widow Spider Bites
Along with the brown recluse, the black widow spider is the only arachnid in the United States that is dangerous to humans....
Common Black Spiders
Many animals and insects adopt colors that enable them to thrive where their counterparts fail. Spiders are no exception. Black spiders are...
How to Recognize Dangerous Spider Bites
There are more than 100,000 species of spiders in the world, but only two species in the United States are venomous to...
First Signs of a Spider Bites
There are many varieties of spiders, and most spider bites are harmless except in those who experience an allergic reaction. Some species...
Common Household Spiders in Washington
Washington is home to a variety of spiders, but identifying the different types can be challenging.
Common House Spider Bites
In North America, there are three common house spiders whose bites you should worry about: the brown recluse, black widow, and hobo....
Common Symptoms of a House Spider Bite
Many house spider bites are venomous and lethal. Knowing how to identify a spider bite can help protect you and your loved...