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This article was co-written by Anthony Stark, EMR. Anthony Stark is a certified paramedic in British Cpumbia. He currently works for the British Cpumbia Ambulance Service.
There are 8 references cited in this article that you can see at the bottom of the page.
This article has been viewed 24,634 times.
There are thousands of spider species in the United States, but most of them have fangs that are too short and weak to pierce human skin. Even if you are bitten by a spider, the chance of a potentially fatal reaction is low: About three deaths are attributed to spider bites each year in the United States. [1] X Source of Research However, spider bites are certainly painful, and sometimes cause systemic allergic reactions due to their venom. The two most worrisome dangerous spiders in the US are the black widow spider and the brown recluse spider. [2] X Trusted Source Mayo Clinic Go to the source Distinguishing these two spider bites from other spiders and insects will help you assess the danger and consider whether to seek medical attention. medical care or not.
Steps
Recognizing the bite of common spiders
and can be distinguished from the bites of other spiders or insects by
on the skin. [3] X Credible Sources Centers for Disease Contrp and Prevention Go to the source While some cases are painless, the bite of black widow spiders is usually at least relatively painful, due to their long fangs and sharp. The wound will quickly become red, inflamed and
Pain at the bite site usually increases and spreads within an hour.
Fast facts on black widow spider bites
Shape of the bite: the wound is shaped like two holes inserted by the spider teeth.
The usual reaction: pain at the site of the bite, then, within an hour, the pain spreads. The wound becomes a bulge and becomes inflamed.
Serious side effects: severe muscle cramps (especially in the abdomen), excessive sweating around the bite, dizziness, headache, delirium, chills and high blood pressure. These are reactions caused by the neurotoxins in the spider’s venom.
Anti-poison serum? Yes, you will be given an anti-venom serum if the spider bite is painful with severe symptoms. It will usually be injected into the thigh by a physician or given through a blood vessel (intravenously), however, antitoxin serums can also cause allergic reactions that are more severe than symptoms of poisoning.
Identifying Black Widow Spiders: Black widows are round, glossy, and have a red diamond (or hourglass) shape under their abdomen.
Location: temperate climates, including USA, Australia, South Africa, Southern Europe, Southern Asia, South America.
like mosquito bites. However, within 30-60 minutes, the bitten area becomes red and inflamed with a central wound, called a “bull’s eye” lesion. [4] X Source of Research Redness and severe pain gradually increased over 8 hours as the central wound widened, hematoma, ruptured and left
During this stage, dark green or purple skin forms around the bite, usually with a red ring around it. [5] X Trusted Source Mayo Clinic Go to Source Medical attention is needed only when sores form and persist for more than a few weeks.
Fast facts on brown spider bites
Bite shape: bull’s eye.
Common reaction: swelling and redness within 30 to 60 minutes after being bitten. Severe pain over the next 8 hours as the swelling hematoma and ruptures, leaving a very painful ulcer.
Serious side effects: none, but if the victim has a weak immune system such as the elderly or children, it will take several months to fully recover.
Treatment : You need to wash with water and mild soap. Apply cold packs and elevate the injured area to reduce pain and inflammation. Take an over-the-counter pain reliever (acetaminophen) or an anti-inflammatory (ibuprofen) if needed. Usually, the sore will scab over and fall off after a few weeks
Anti-poison serum? There is currently no anti-venom serum to control the effects of a brown recluse spider bite. Their venom is necrotic, which kills surrounding tissues and turns them black or blue.
Identifying brown spiders: brown recluse spiders are brown or yellowish, long, slender legs, with a body attached to an oval head and abdomen. They often have a vipin shape on their heads.
Location: southern and midwestern US states.
Fast facts on tanrantula spider hair
Shape: hairs are shaped like needles inserted into the skin.
Usual reaction: Initial tingling sensation.
Serious side effects: allergic reactions (anaphylaxis) including hives, swelling and difficulty breathing.
Treatment: epinephrine injector pen (Epipen)
Location: Southwest United States, South and Central America.
- Hobo and Sac spider bites cause unpleasant wounds, similar to those of honey bees and wasps, although the initial pain is much milder, as the fangs of these spiders are not large and strong. like a bee sting.
- To identify a spider bite, you
Catch a spider or take a photo with your phone
and take it to your local hospital (several locations can be found) or look it up online. Most spider bites are either harmless, or are only mildly annoying and will heal within a few days. [8] X Trusted Source Mayo Clinic Go to Source
- Antibacterial gels, ice, and over-the-counter medications are usually enough to cure spider bites.
- In general, spiders only bite in self-defense, especially when pressed between their skin and something. [9] X Trusted Source Mayo Clinic Go to Source
Distinguish from the bites of other insects
- Reactions to honey bee and wasp stings can range from mild red bumps on the skin (such as bruises or bruises) to a more severe allergic reaction (anaphylaxis) in susceptible individuals. – and may need medical attention. Honey bees and wasps do not sting, but each year more people die than spiders due to an allergic reaction that is not treated promptly.
-
Allergic reactions are usually controlled with an injection of epinephrine (adrenaline).
, has the effect of reducing the body’s allergic reaction. The injection will be given by your doctor, or you can give it at home if you have an epinephrine “pen”.
- Hobo and Sac spider bites are often mistaken for honey bee/ wasp stings. Black widow spider bites can cause similar severe symptoms, but their two fangs are not the same as bee stings.
because they have strong nerve venom. [12] X Trusted Source Mayo Clinic Go to Source
- Although a scorpion sting is very different from a black widow’s double-fanged wound, pain and other symptoms can be quite similar since both species are neurovenomous.
- There is a serum against scorpion venom (Anascorp), but it is not widely used in the US due to its low mortality rate.
- Similar to spider bites, most scorpion stings can be treated with antibacterial gels, ice, and over-the-counter medications.
- The bark scorpion is a species of scorpion that lives in the states of Arizona, New Mexico and a few areas in California, United States.
, so they cannot be taken lightly. Symptoms of a Lyme tick bite include: skin rash with concentric rings that usually lasts up to 1 month, accompanied by fever, fatigue, headache, and aches and pains in joints and muscles .
- The key difference here is that the tick bite is initially painless and never leads to necrosis of the skin around the bite.
- Another point is that ticks often burrow in the skin before infecting the host, so you can sometimes see them underneath the outermost layer of skin. In contrast, spiders never burrow into the skin or nest on humans.
Advice
- To avoid spider bites, wear long sleeves, a hat, and gloves and boots when cleaning the garden, when cleaning garages, basements, attics, and in low, dark spaces. [14] X Trusted Source Mayo Clinic Go to Source Remember to tuck your sleeves and pants into gloves and socks to minimize insect entry.
- Always check gardening gloves, boots, and clothes that haven’t been used for a long time. Shake vigorously before wearing.
- Spray insect repellent on clothing and shoes to repel spiders.
- If the spider bite is painful but is far away and medical care is not available, you need to quickly apply ice to the bite. Then treat the wound with antibacterial gels and other first aid means to fight infection.
- There are thousands of spider species around the world, so you need to be cautious when going abroad, especially in the country of South America, Africa, Southeast Asia and Australia. Other extremely dangerous spiders in the world include the Brazilian wandering spider, the funnel web spider, the rat spider, and the redback spider.
Warning
- Spiders can be infected with tetanus bacteria and transmitted through their bites, so you need to update your tetanus vaccination every 10 years. [15] X Trusted Source Centers for Disease Contrp and Prevention Go to source
This article was co-written by Anthony Stark, EMR. Anthony Stark is a certified paramedic in British Cpumbia. He currently works for the British Cpumbia Ambulance Service.
There are 8 references cited in this article that you can see at the bottom of the page.
This article has been viewed 24,634 times.
There are thousands of spider species in the United States, but most of them have fangs that are too short and weak to pierce human skin. Even if you are bitten by a spider, the chance of a potentially fatal reaction is low: About three deaths are attributed to spider bites each year in the United States. [1] X Source of Research However, spider bites are certainly painful, and sometimes cause systemic allergic reactions due to their venom. The two most worrisome dangerous spiders in the US are the black widow spider and the brown recluse spider. [2] X Trusted Source Mayo Clinic Go to the source Distinguishing these two spider bites from other spiders and insects will help you assess the danger and consider whether to seek medical attention. medical care or not.
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