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Wasp or hornet stings are common, especially during the warmer months when people are outside for longer periods of time.The stings can be uncomfortable, but most people recover quickly and without complications.
Wasps and hornets are equipped with a stinger as a means of self-defense and the stinger contains venom (a poisonous substance) that’s transmitted to humans during a sting. While a bee can only sting once because its stinger becomes stuck in the skin of its victim, a wasp can sting more than once during an attack. As the stingers remain intact.
However, even without a lodged stinger, wasp venom can cause significant pain and irritation.
Hornets have stings used to kill prey and defend hives. Hornet stings are more painful to humans than typical wasp stings because hornet venom contains a large amount (5%) of acetylcholine. Individual hornets can sting repeatedly; unlike honey bees, hornets and wasps do not die after stinging because their stingers are very finely barbed (only visible under high magnification) and can easily be withdrawn and so are not pulled out of their bodies when disengaging.
The toxicity of hornet stings varies according to hornet species; some deliver just a typical insect sting, while others are among the most venomous known insects. Single hornet stings are not in themselves fatal, except sometimes to allergic victims. Multiple stings by non-European hornets may be fatal because of highly toxic species-specific components of their venom.
The stings of the Asian giant hornet (Vespa mandarinia) are among the most venomous known, and are thought to cause 30–50 human deaths annually in Japan. Between July and September 2013, hornet stings caused the death of 42 people in China. Asian giant hornet’s venom can cause allergic reactions and multiple organ failure leading to death, though dialysis can be used to remove the toxins from the bloodstream.
The majority of people without sting allergies will show only minor symptoms during and after a wasp or hornet sting. The initial sensations can include sharp pain or burning at the sting site. Redness, swelling, and itching can occur as well.
Normal local reactions:
You’re likely to develop a raised welt around the sting site. A tiny white mark may be visible in the middle of the welt where the stinger punctured your skin. Usually, the pain and swelling recedes within several hours of being stung. Unless you’re allergic, most stings can be treated at home.
Large local reactions:
“Large local reactions” is a term used to describe more pronounced symptoms associated with a wasp or bee sting. People who have large local reactions may be allergic to wasp stings, but don’t experience life-threatening symptoms, such as anaphylactic shock. Large local reactions to wasp stings include extreme redness and swelling that increases for two or three days after the sting. Nausea and vomiting can also occur. Find out what’s happening in your body during an allergic reaction.
Most of the time, large local reactions subside on their own over the course of a week or so. Let your doctor know if you have a large local reaction after a wasp sting. They may direct you to take an over-the-counter antihistamine medication (such as Benadryl) to reduce your discomfort.
Having a large local reaction after a wasp sting one time doesn’t necessarily mean you’ll react to future stings in the same way. You could have one strong reaction and never show the same symptoms again. On the other hand, a large local reaction could be the way your body routinely responds to wasp stings. Try to avoid being stung to prevent these uncomfortable symptoms.
Anaphylaxis following a wasp sting:
The most severe allergic reactions to wasp stings are referred to as anaphylaxis. Anaphylaxis occurs when your body goes into shock in response to the wasp venom. Most people who go into shock after a wasp sting do so very quickly. It’s important to seek immediate emergency care to treat anaphylaxis.
Symptoms of a severe allergic reaction to wasp stings include:
*Severe swelling of the face, lips, or throat
*Hives or itching in areas of the body not affected by the sting
*Breathing difficulties, such as wheezing or gasping
*Sudden drop in blood pressure
*loss of consciousness
*Nausea or vomiting
*weak or racing pulse
In rare cases, wasp stings can contribute to complications involving the nervous system.
A report published in the Annals of Tropical Medicine and Public Health examined unusual cases in which a pediatric patient experienced muscle weakness, pupil dilation, and motor aphasia following a wasp sting. (Motor aphasia is the impairment of speech and writing abilities.)
The patient’s problems were precipitated by a blood clot that was caused by a severe reaction to a wasp sting. These particular complications are extreme and highly unlikely to occur.
Mild to moderate reactions:
You can treat mild and moderate reactions to wasp stings at home. While treating your sting at home, you should:
1.Wash the sting area with soap and water to remove as much of the venom as possible.
2.Apply a cold pack to the wound site to reduce swelling and pain.
3.Keep the wound clean and dry to prevent infection.
4.Cover with a bandage if desired.
Use hydrocortisone cream or calamine lotion if itching or skin irritation becomes bothersome. Baking soda and colloidal oatmeal are soothing to the skin and can be used in the bath or through medicated skin creams.
Over-the-counter pain relievers, such as ibuprofen, can manage pain associated with wasp stings. Antihistamine drugs, including diphenhydramine and chlorpheniramine, can reduce itching as well. Take all medications as directed to avoid potential side effects, such as stomach irritation or drowsiness.
You should also consider getting a tetanus shot within several days of the sting if you haven’t had a booster shot in the last 10 years. First aid differs based on what type of creature has bitten or stung you.
People who are allergic to wasp venom are also allergic to hornet stings. Allergic reactions are commonly treated with epinephrine (adrenaline) injection using a device such as an epinephrine autoinjector, with prompt follow-up treatment in a hospital. In severe cases, allergic individuals may go into anaphylactic shock and die unless treated promptly.
Disclaimer: This information is not meant to be a substitute for professional medical advise or help. It is always best to consult with a Physician about serious health concerns. This information is in no way intended to diagnose or prescribe remedies.This is purely for educational purpose.