How to reduce the swelling after being stung by a wasp?

Wasps, otherwise known as wasps, red paper wrapping waist, ghost dizziness, etc., are also large and toxic. Female bees have a powerful long stinging needle. When they encounter attacks or unfriendly interference, they will attack in groups, which can cause allergic and toxic reactions. Serious cases can lead to death. Let's take a look at how to reduce swelling after being stung by wasps.

Toxic symptoms of wasp stings

1. Toxicity: the main components of wasp venom are histamine, serotonin, bradykinin, hyaluronidase and so on. Venom has hemolysis, bleeding and neurotoxic effects, can damage myocardial, renal tubules and glomeruli, especially easy to damage proximal convoluted renal tubules, but also cause allergic reactions.

2. Symptoms: immediately after the wasp was stung, the skin became red, swollen, painful, and even appeared petechiae and skin necrosis. Eyes are stung with severe pain, tears, redness and swelling, and corneal ulcers can occur. Systemic symptoms include dizziness, headache, vomiting, abdominal pain, diarrhea, restlessness, elevated blood pressure and so on. The above symptoms generally disappear within hours to days. Severe cases can be lethargy, systemic edema, oliguria, coma, hemolysis, myocarditis, hepatitis, acute renal failure and shock. Some patients who are allergic to bee venom can show urticaria, anaphylactic shock and so on.

How to reduce the swelling after being stung by a wasp?

1. Keep calm. If the poison is pierced into the skin, remove the sting first.

2. Choose soapy water, 3% ammonia water, 5% sodium bicarbonate (baking soda) water, salt water and sugar water to wash and apply the wound. Be sure to use soapy water, because what we need is alkaline liquid.

3. Smash and apply Yulusan or chrysanthemum leaves.

4. Mash garlic or ginger to extract juice and apply to the affected area.

5. Choose fresh dandelion, purple flower, seven-leaf flower, lotus, etc., wash and mash, external application around the wound, the effect is good.

6. About 2 cm away from the stab wound, apply a circle of melted Nantong snake tablets, which has the effect of detoxification, pain relief and detumescence.

7. Apply old cucumber juice to the affected area several times a day, relieving pain and swelling.

8. 30 grams of leek, washed and mashed like mud, apply to the affected area.

How to avoid being stung by wasps

1. The courtyard should often prune trees, loosen the soil, reduce the chances of wasps building nests, avoid planting succulent plants in front and back of the house, and reduce the chances of wasps entering the house.

2. Uncovered sugary foods and drinks should not be placed in open areas to avoid wasps gathering.

3. The chemical synthetic substances and odors contained in cosmetics often imitate the scent of natural flowers and are easy to attract bees. Do not drink alcohol or use cosmetics before going out.

4. Wasps are color-blind. When sporadic bees fly around and harass them, don't pay attention to them. When the bees land on their heads and shoulders, gently shake them off and don't slap them.

5. When attacked by a swarm of bees, you should wrap the exposed parts with clothes as soon as possible, but crouch motionless, do not run quickly, and do not beat repeatedly.

6. When working in the field, the surrounding environment should be observed to avoid disturbing the beehive, and dark trousers should be worn when working in areas with dense wasp distribution. If you encounter a solo wasp circling around, it means that you are close to its warning range. Never wave or harass it, nor observe the wasp very closely. Leave as soon as possible, lest it send a message to attract swarm attacks.

The method of elimination of wasps

1. Drug fumigation: spring is an important period when wasps begin to build nests. We should pay attention to seizing the favorable opportunity when there are only a small number of overwintering bees (one nest for each bee) and a small "gourd bag". Conduct a general survey around the town, at both ends of the road, recreational forest areas, mountaineering paths and other areas to find nest-building activities in time, destroy the nest or destroy it with strips of cloth and towels stained with pesticides on the nest.

2. Pick the hive at the right time: first spray the exit of the hive and the colony outside the hive with insecticides, then wrap the hive around the hive with a woven bag and quickly fasten the mouth of the bag, then remove the hive, throw the hive into the water or pour gasoline into it and burn it with fire. Nesting time should be at night or on rainy days.

3. Water gun fire attack: build a beehive that is difficult for personnel to reach in high places, aim at the beehive with a high-pressure water gun and smash the hive. Waste cotton soaked in oil can also be tied to one end of the long bamboo pole, lit and extended to the beehive to burn the hive. People should be evacuated in advance and pay attention to fire prevention.

4. Burning bee colonies: in late autumn, when the temperature drops to 15 degrees, wasps begin to leave their nests and move to warmer places such as stone caves and haystacks to avoid the cold, often hundreds of them gather together to protect themselves from the cold. It was found that the bee colony could be burned with fire.

5. Luring and killing: wasps have the characteristics of building nests to fetch water. In places where wasps take water, they can manually dig puddles or place water containers and add pesticides. When wasps absorb water, they will be poisoned and die. At the same time, attention should be paid to the safety of drinking water for people and livestock.

6. Carcass hunting: wasps not only like to eat bees, but also bite corpses of the same kind. Taking advantage of this habit, when it preys on corpses, it is wiped out with a wooden racket. Be sure to aim when slapping, otherwise the bumblebee will backwash and sting as soon as it misses.

7, poison with medicine: the bumblebee is clumsy, can be gently pressed with a small screen racket, then clamp it with tweezers, apply the toxic pesticide sugar solution to the wasp's chest and abdomen, and then let them go. When these wasps return to their nests, other wasps will lick the poisonous syrup on their bodies, poisoning the whole nest. Using the "destroy Chaoling" developed by Fujian Agricultural University, through the "automatic application method" for prevention and control, the effect is remarkable. After catching the wasp, put it into a 100,150ml bottle, preset the powder of "destroying the nest" in the bottle, take advantage of the wasp to break away from the air flow of flapping wings, automatically spread the powder evenly to all parts of the bee body, open the bottle cap and put the bee back to the nest, it can quickly pollute the whole hive and achieve the goal of destroying the hive.