Black House Spider
The bites of the Black House spider are poisonous, but not fatal. However, it can cause severe pain, swelling, nausea and vomiting, as well as other terrible symptoms.
Brown Hermit Spider
The Brown Hermit Spider is considered the most venomous spider in the United States. If bitten, the victim may experience fever, convulsions, itching, nausea, and muscle pain. In extreme cases, they may also develop necrosis (death of skin tissue).
Cabinet spider
Many people don't know that cabinet spiders are dangerous to humans. For most people, their response to venom is similar to the sting of a wasp. However, there are some cases where symptoms are more severe.
Tramp spider
Their venom can cause redness, swelling and convulsions for hours.
Catipo Spider
A spider native to New Zealand. Only women can bite, but their bites are not considered fatal, but unpleasant. With "unpleasantness", we include symptoms such as abdominal cramps, sweating, fever and shaking.
Lynx spider
This spider is one of the few spiders that can spit out venom. Although they are not fatal to humans, their venom can cause local swelling up to 10 inches (25 centimeters) in diameter.
Noble false widow
A terrible spider found in England, the noble false widow spider is the most poisonous of the three false widow spiders. Its bite can cause pain, swelling, nausea, and if infected by it, it can cause gangrene.
Red-backed spider
The bite of a red-backed spider is not only painful, but also can lead to death if left untreated. An anti-venom was made in 1956 and 250 people receive it each year.
Six-eyed sand spider
Although the six-eyed sand spider is very shy, it is also known as incredibly poisonous. Since it does not come close to humans, there are very few cases of biting. However, in one known case, a man lost his arm due to arm necrosis. If bitten by a six-eyed sand spider, most people think the person will die because there is no anti-venom.
Tarantula
Despite their frightening appearance, tarantula venom can only cause painful bites, and hairs on their legs can cause skin allergies. Unless someone happens to be allergic, it is harmless to the human body.