Though the spider species in question is pretty common and not aggressive, sometimes, their venom has a great impact on the system triggering a very violent response not only at the skin level but in the deep body structures as well. How can one treat brown recluse spider bites? In order to control inflammation, you should apply some ice on the bite; aloe vera ointment or fresh aloe juice could also help you soothe the pain or the itching. Presently, there are all sorts of devices that allow people to catch and analyze the spiders that live in their homes so as to find out whether they are poisonous or not. Quality photos or drawings as well as proper descriptions of the species are necessary when trying to distinguish between the various spiders that live so very close to us. From the temperate to the hot climate, poisonous spiders will be a more or less big threat for humans. Without being lethal for a human being, poisonous spiders can cause very advanced tissue damage known as necrosis. There is a whole range of symptoms, one nastier than the other that accompany the bite of a dangerous spider: digestive troubles such as nausea and vomiting, headaches and fever, not to mention the local discomfort manifested as pain and itchiness. Even in North America there are three different types of the black widow spider and their classification is made according to the geographical area where they live: there is the northern black widow, the southern black widow and the western black widow; thus the species is widely spread from the south of Canada to Mexico. Though apparently harmless, the brown recluse spider bite is more serious than that of other more venomous and threatening species. Lots of efforts have been made so far in the direction of creating an antidote for spider bites in general, but, unfortunately, scientists have not been successful just yet. House species are the first to require proper spider identification since they are the first we come into contact with, and, on certain occasions, it is pretty difficulty to tell them apart. This is the case with the house spider, the giant house spider and the hobo spider; they all live indoors, but only the latter is a real threat to humans, since its bite can cause necrosis.