Are spider bite dangerous?

Most spiders are not dangerous, although all spiders, with the exception of the uloboridae family, have poison. However, due to the different efficacy of this poison, thousands of species in the world is relatively little a threat to humans.

The black widow is an example of a spider with a neurotoxic poison. This poison directly affects the nervous system, although there may not be many noticeable wounds at the bite itself. Neurotoxic poison causes convulsions, rigidity and has a general paralyzing effect. This poison kills faster than cytotoxic poison and is considered more effective. The Australian web spider from the funnel is an example of a spider with a neurotoxic poison. Cytotoxic poison is a necrotic poison, from the word necrosis, which concerns the disintegration of the cell tissue. Bite from a spider with a cytotoxic poison causes a mosquito bite and a noticeable blow. Necrosis will be present and the pain will be slow and may require medical care to prevent secondary infections. Bite of a spider of this nature can create a veilThe influenza -like symptoms and in rare cases may be deadly.

among the most famous, highly poisonous spiders you will find:

• Australian funnel-Web Spider (Types atrax and Hadronyche)
• Redback, Katipo or Black Widow Spiders (Latrodectus types)
• South American Banana or Brazilian Wandering Spiders (Phoneututria types)
• Brown Recluse Spiders (Loxosceles Types)
• Hobo Spiders

  Antiven is available for a funnel, redback, black widows and South American banana spider bite. There is no antiven for brown spiders or hobo spiders, but treatment in the form of antibiotics is commonly administered to prevent secondary infection at the wound places.

  North American banana spider (Argiope) is considered harmless.

  is safe fromTo have hundreds of thousands of people each year are bitten by spiders without poor effects. Even a bite from the above spider may not cause symptoms. Spider does not have to accumulate poison, or can accumulate very little and can heal the wound alone. In most cases, the spider's bite will produce a local strip that resembles mosquitoes and retreats within 24 hours. However, children, elderly or people with compromised systems are at greater risk of serious reactions. Allergic reactions can also cause problems with the bite of the spider, which are usually not considered dangerous.

  If you believe you have been bitten by a spider and experience symptoms that relate to you, contact your doctor or locality Poison Center. If possible, bring the spider safely with you when you are looking for medical attention. Many spiders bite share common symptoms and can be diagnosed without a spider. For diagnostic purposes, dead or crushed spiders can still be evaluated.