The formation of swelling after a wasp sting around the wound left by the insect is a common phenomenon. Depending on the individual sensitivity of the body and on how many insects stung, the place of sting and the measures taken, the edema may be stronger or weaker, and it lasts from several hours to 3-4 days.
The most pronounced is swelling when stinging in the face, especially in the area of the lips and eyelids. Extensive, rapidly developing edema, and a sharp deterioration in well-being may indicate a severe allergic reaction, anaphylaxis. In this case, you need to immediately call the ambulance.
Appeal for medical care also required if the insect attack fell on the eyeball, ear, throat, palate, tongue or temples, especially if the victim is a child. These places in the human body are the most vulnerable and difficult to handle on their own. Self-medication in this case is dangerous to health, and sometimes to life: poison in the eye can cause visual impairment, and swelling of the tongue and throat leads to respiratory arrest.
In all other cases, it is possible to reduce or remove swelling from a wasp sting without anyone's help.
Having received the bite of a flying insect, it is not always possible to see the attacking individual well. The wasp is most easily confused with a bee, other striped venom bearers are much larger. The difference between the attack is that the first is always, and the second does not lose it, therefore it can sting repeatedly. However, if the wasp is pressed or slapped on the body, the sting may remain in the skin.
By carefully examining the bite site, you can see if there is a sting left. If this happens, you need to carefully remove it without crushing it (preferably with disinfected tweezers) so that the poison from the capsule does not get into the wound. Then the bite site must be washed warm water with soap and treat with any disinfectant (alcohol, cologne, hydrogen peroxide, chlorhexidine, vodka will do).
Sting can be removed with tweezers
If a wasp stung on the street in hot weather, you can not stay in the sun, it provokes an increase in puffiness. You need to go to a cool room or at least find a shade. A cold compress should be applied to the bite site, it can be done like this:
The option with water is more often used in hiking conditions, and if an insect has bitten on the street in locality, you can go to the store and buy any chilled drink in a bottle or jar and apply instead of a compress. At home, if there is no ice, you can use snow from the freezer, or even a piece of frozen meat.
The compress is applied through a sterile dressing - a bandage or cloth. The cold does not allow the poison to spread and damage small vessels and tissues around the bite, thereby preventing the development of massive edema.
It is useful to lie down for at least 40 minutes so that the affected part of the body is higher than the rest. If an arm or leg is injured, you can elevate the limb with the power of pillows. If the blow of the sting fell on upper part body or face, you need to take a reclining position.
The stung will be helped by peace (about 2 hours, sometimes more) and plenty of drink, fruit drink, compote, sweet tea will do. So the body will quickly cope with the toxin, which provokes the appearance of edema and deterioration of well-being.
Edema provokes poison, which the wasp injects under the skin at the moment of stinging. The less of this poison gets into the wound and the sooner its action is neutralized, the less swelling and pain.
To draw the poison out of the wound, you can attach to it:
And to neutralize the poison, it is useful to apply:
From the external agents that are sold in pharmacies, the following will help remove swelling:
For children apply:
Many drugs for adults are not suitable for children and even dangerous; age restrictions are always written in the instructions.
External agents are preferably used in conjunction with a cold compress, in which case the compress itself must be applied over the wound treated and covered with a bandage or a clean cloth.
Antihistamines can be taken by mouth to prevent swelling, such as:
Or glucocorticoid drugs (with great care!), if the case is really serious, the tumor is extensive and there is a threat to life:
Each of them has contraindications, which must be familiarized with before use, but it is better to first make a call to the medical facility.
After a wasp sting, you should not take alcohol and milk, this will aggravate the situation. You do not need to cut the wound to get a sting out of it or extract poison, this will only increase the skin reaction and can provoke inflammation, blood poisoning.
Rubbing the bite site and squeezing the poison out of the wound is also not recommended, such a step with big share probability will lead to the spread of the toxin under the skin and more trauma to tissues and blood vessels.
Do not wash the wound with water from standing water, use earth, moss or stones as a coolant - there is a risk of introducing dangerous infections, including tetanus.
If the treatment does not help and after all the measures taken, the edema continues to increase, not only the bite site is swollen, but also any other part of the body (this happens with allergies), the state of health worsens, and if the symptoms have not gone away on day 4, you should consult a doctor .
After a wasp or bee sting, severe pain occurs, followed by swelling. This is the body's response to the penetration of poisons contained in the sting of insects. How to relieve swelling after a wasp sting? To prevent serious consequences, it is necessary to properly provide first aid to the victim. Puffiness treatment should be carried out immediately after the bite.
The severity of edema after a wasp sting depends on individual characteristics human body. The severity of the injury depends on the location of the injury. If an insect bites on a leg or arm, it will be easier to carry than a bite in the eye, lip or face. The size of the swelling depends on the amount of poison that the wasp managed to release into human tissue. How more substances got into the network of blood vessels, the harder the reaction will be.
The composition of wasp venom depends on its species.
The most dangerous are "road" ones with an elongated body covered with clear stripes.
Wasp venom is dangerous to humans and provokes the following reactions body:
To relieve swelling from a wasp sting, follow these recommendations:
It is necessary to remove swelling after contact with a wasp, taking into account the presence or absence of an allergic reaction, its severity. It is necessary to find out whether the body of the victim has coped with the toxic poison. Of no small importance is the age of a person, the presence of aggravating factors - a tendency to allergies, weakened immunity. Pregnant women may take the bite harder.
Many advise, after meeting with stinging insects, to remove the sting from the surface of the skin without fail. But are such actions correct? If a bee has bitten, this should be done. Her stinger has a lot of notches. After a bite, it usually remains in the skin. It is recommended to use tweezers to remove the sting. The procedure must be carried out very carefully so that no small particles of the sting remain in the skin. This will increase the degree of all negative manifestations.
With a wasp sting, these manipulations are not necessary. Its sting is smooth and does not remain in the skin. This can only happen if you kill an insect during a bite.
Squeezing the sting is considered a wrong action. This can lead to the destruction of the capsule, which contains the poison inside. As a result, the inflammatory process, along with edema, will only intensify.
You can prevent the development of severe edema and allergies if you provide first aid correctly:
In a healthy person, even without special treatment, all the symptoms of a wasp sting disappear on their own within 2-3 days.
After providing first aid to the victim and in the absence of a serious allergic reaction, you can proceed to the main treatment.
At home, it is recommended to use folk remedies, which in as soon as possible get rid of puffiness:
Many plants are useful in treating swelling caused by wasp stings. The following recipes are very popular:
Using all the presented means, you can quickly get rid of the unpleasant symptoms caused by a wasp sting. Their use is unacceptable if, after contact with an insect, a severe allergic reaction occurs. Such victims are required to be hospitalized for qualified assistance.
In summer, nature is in its most active period: plants bloom, fruits ripen, insects work with might and main. At this time, there is a high probability of getting a wasp sting: these insects can sting anyone. What should be done in such a situation, what are the symptoms, and why is a wasp sting dangerous? We will answer these questions today in order to meet summer season fully equipped.
It is believed that insects use their sting for defense, but they can sting even when you did not intend to offend them. A wasp, unlike a bee, does not die after a bite: it takes out a sting and flies on. This is because the wasp's sting is smooth, without serrations, like other stinging relatives. Therefore, the wasp does not leave a sting in the skin of a person, but the bee, having stung, leaves its sting and immediately dies. But this is not the only difference between these stinging insects.
If the benefits of bee stings have been known for a long time, and they are successfully used in apitherapy as an effective treatment for many ailments, then about healing power you have hardly heard of wasp venom. Although the composition of the poison of these insects is very close, the sting of the wasp sting is more toxic. In the event of a “conflict” with a wasp, it is more likely that a person will have an allergic reaction, and in some cases, a wasp sting can become deadly. Therefore, the benefits of the wasp are not felt, even if the composition of the poison also contains useful substances.
In order not to have to be treated for wasp stings, you need to follow simple safety rules. If a stinging insect flies nearby, you can’t wave your arms and legs: this can make the wasp angry. You need to be careful with food on the street, because wasps are attracted not only by sweets, but also by meat dishes.
The consequences after a wasp sting can be different. Often there is a slight inflammatory reaction: there is severe itching, pain, redness, swelling of the stung area of the skin. The insect injected poison under the skin, so such symptoms are not surprising. The tumor at the site of the bite appears immediately, in addition, the skin itches, and you want to quickly remove the unpleasant symptoms. But what if you have an allergic reaction to insect venom?
Most people tolerate wasp venom easily. But there is a small percentage of those who, after a wasp sting, feel extremely bad: the temperature rises, nausea, shortness of breath, severe swelling around the stung area of \u200b\u200bthe skin appear. What should you do if you find these symptoms after a bite? An allergy to a wasp sting is a serious reason to go to the hospital, or even call an ambulance, but everyone can provide first aid and eliminate the main unpleasant symptoms.
To provide proper assistance with a wasp sting, you need to make sure that it was this insect that stung. Try not to panic, but to recognize who exactly bit you: a wasp or a bee? It depends on whether you need to look for a sting, and what treatment to choose. Look at the photo below: these relatives, although similar, have obvious external differences. In a bee, the entire body is covered with villi (photo on the left), and the wasp is smoother and has a characteristic "wasp waist" (photo on the right).
The symptoms of a bee or wasp sting are similar and difficult to distinguish, but the treatment may differ, albeit slightly. Remember: if a wasp has bitten you, then it is pointless to look for a sting: it does not leave it in the body, but flies away, injecting poison. Treatment also depends on where the insect has stung. On the legs and arms, bites cause slight discomfort in the form of itching and swelling. A bite to the neck or eye is more painful.
You need to start treatment as soon as possible. The first time after the bite, it is desirable to be at rest. Itching and pain cause serious stress to the body, and it is undesirable to endure this nuisance on your feet. So the patient needs to take a horizontal position and try to relax. Also, the victim needs to drink plenty of fluids: warm tea or mineral water is best.
Remember that the consequences of such a bite can be unpredictable, so you need to treat it immediately. There is no time to waste before the ambulance arrives, so you will have to provide first aid yourself. First of all, disinfect the skin and try to relieve swelling. Often the victim feels unbearable itching. It is advisable to anoint the skin with an antihistamine ointment, such as Fenistil: it will help relieve itching and allow the skin to be treated to extract the poison.
What to do if you are in the field when there is no first aid kit with you? You should know that first aid for a wasp sting can also be provided with improvised means. Plantain helps well, good, it grows at every step. You can make a compress out of it to soothe itching and relieve swelling. You can treat the victim with improvised means.
Eliminate backfire a proven folk remedy - parsley - will help from a bite. It needs to be crushed and smeared with juice or gruel on the stung place. Swelling can be reduced by applying ice or a heating pad filled with cold water. The affected part of the body can be treated with strong tea leaves or aloe juice.
A good pain reliever is dandelion juice. His medicinal properties caused by acid. To relieve pain symptoms, you can make an ointment from berry juice, sorrel or lemon - acidic components neutralize the acidic environment of the poison. For the same purposes, you can make a compress of vinegar. A decoction of tansy is useful - they can lubricate the affected area, but lotions will be even more effective.
Another popular recipe is an ointment in the form olive oil. Many people have this product on the kitchen shelf, and it is useful not only in cooking. The fatty acids that make up the oil soothe the skin and remove toxic substances. A little oil needs to be cooled, and then anoint the affected area. How to help with a bite with garlic - see the next video of Channel One.
By themselves, insect bites are unpleasant and bring discomfort: they itch, itch. But a wasp, when stinging, injects poison with a sting. Its effect on the body leads to the following consequences:
Sometimes the reaction of the body can be completely unpredictable: the victim is thrown into a fever, dizzy. Nausea may begin, a stomach ache - this is how the body reacts to poison intoxication. An allergic reaction can occur even in those who previously calmly endured the bites of stinging insects. Next, we will talk in more detail about how to eliminate unpleasant symptoms.
A cold compress will help reduce swelling. You can make a heating pad with ice, or just wet a clean cloth with cold water; it is also desirable to treat the wound special means against insect bites. Also, in order to cure edema faster, you need to limit the use of salt: it tends to retain water, and with edema, this is completely useless.
Why do puffiness appear? It accumulates fluid in the tissues. In the part of the body inflamed from the bite, the blood flow is disturbed, this leads to this problem. It often happens that a wasp stings, for example, a foot, and the whole leg swells. In this case, the swelling may not go away for a long time. If lotions and antiallergic symptoms do not help, it is better to seek treatment in a hospital.
Your actions also depend on where the wasp stung. On the arms and body, the skin is rougher, and the swelling may be slight. But what if the wasp stuck its sting in the eye? The skin here is much thinner and more sensitive, besides, the mucous membrane is very close.
The swollen area is often very itchy. But it is absolutely impossible to comb it: not only will it not save you from itching, it also increases the risk of infection. To reduce swelling, use an anti-allergic ointment. It also does not hurt to drink an antihistamine, for example, Diazolin.
Nausea, fever, severe weakness, convulsions - all these are signs of allergies. This reaction of the body is due to the fact that a person has a high sensitivity to intoxication. An allergy to a wasp sting often appears in those who have already been bitten by insects before. And the more bites there were in the past, the greater the likelihood of an allergy in the present.
The worst manifestations of an allergic reaction are Quincke's edema or anaphylactic shock. People who have already experienced similar cases should carry an allergen card with them, as well as a medicine prescribed by a doctor. In any case, it is impossible to hesitate or treat such signs of allergy yourself, because wrong actions can be fatal.
With moderate manifestations of allergies, you can help yourself. You need to take an allergy medicine, it is better to combine tablets or syrup with an ointment: it will have an immediate effect, while tablets will not allow the allergen to spread in the body.
Earth wasps often cause inconvenience to the owners of summer cottages and garden plots: they stand their nests right on the ground (as in the photo below), interfering with farming. Therefore, people go out to fight earthen wasps, risking being stung. In addition, their nest can simply be overlooked and stepped on, thereby provoking wasps. Then a logical question arises: how dangerous is the bite of an earthen wasp, and what to do in this case?
In fact, earthen bites are not at all different from ordinary ones. The anatomy of these insects is similar, and the composition of the poison is almost the same. From the experience of those who were bitten by an earthen wasp, the main effective means can be distinguished:
During pregnancy, women become more sensitive and are very worried about the health of their baby. Therefore, the question of how wasp stings are perceived during pregnancy looks quite natural. We hasten to reassure: the toxic substances that contains wasp venom will not get to the baby. Of course, the expectant mother herself will experience pain, but this will not affect the health of the fetus.
The most important thing during pregnancy is to choose proper treatment. During this critical period for a woman, not all medicines can be used. Even if you have successfully used insect bite ointment before, read the instructions carefully. If the use of the drug during pregnancy is not allowed, you will have to refuse it.
The only exception is a severe allergic reaction of a pregnant woman to a wasp sting. Such stress on the immune system can affect the development of the fetus, so the use of strong drugs is possible. In such a situation, it is better to consult a doctor. With minor symptoms, try to endure, and to relieve pain, take paracetamol or noshpa: these medicines are allowed for pregnant women. The most important thing is to remain calm, and then nothing threatens you and the health of the baby.
What to do at home if a person has been bitten by a wasp - this problem is especially relevant in the hot summer months. Young children and the elderly do not always tolerate this without consequences. For a person prone to developing an allergic reaction, a wasp sting can be fatal. Allergists estimate that about 10% of people are allergic to wasp venom. According to statistics, 1 child in 100 is at risk of developing anaphylactic shock after a wasp attack.
From year to year, wasps become more aggressive and dangerous, as they collect substances in fields treated with various insecticides, herbicides, etc. No expert study can fully explain the fact why modern insects are so radically different from those that were 50 years ago. Patients are increasingly seeking medical help after contact with a "striped fly" and do not know what to do if a wasp or a bee has bitten.
For a healthy person, a lethal dose of wasp venom is equivalent to 500 insect bites. But for an allergic person who suffers from a painful reaction to wasp venom, even 1 bite can lead to tragic consequences.
Wasp venom is a clear, colorless liquid with a bitter taste. It contains biological substances, a small amount of which can cause a number of pathophysiological reactions.
A lethal dose of wasp venom is equivalent to 500 bitesThe composition of the poison:
The composition of wasp venom may differ depending on which continent the insects live on. AT foreign countries for example, cross-reactions with ant venom may occur. The aggression of the poison depends on the composition of the antigen, the age of the wasp or bee, and the weather.
The greatest danger is stinging in the oral mucosa. In this case, the insect does not spare the poison, as it is frightened by the cramped conditions. As a result, the tongue swells, or even worse - the larynx. In the case of swelling of the tongue, there is nothing fatal, while swelling of the larynx can lead to suffocation. Also, do not think for a long time what to do if a wasp has bitten in the neck. In this case, immediate medical attention is required.
After a wasp sting, a local reaction occurs in the form of edema on the affected area of the skin. When stinging in soft tissues puffiness of the face is more pronounced. It should be remembered that people with weak immunity, young children, the elderly and allergy sufferers are most vulnerable to contact with a stinging insect.
Edema appears in the bite area. Characterized by redness and itchingIn addition to swelling, the following symptoms may appear:
In a normal course, all these signs disappear without a trace after a few days, while allergy sufferers can suffer from a bite for several weeks.
In addition to the standard signs, a person with allergies may experience tachycardia, severe shortness of breath, chills, and even short-term loss of consciousness. This state is unsafe for human life and requires immediate medical attention.
Even if a person does not suffer from allergies, he still needs to know what to do at home if a wasp has bitten, especially a child. The bites are very painful, the pain is stronger than from a bee. Removing pain is the main task. In hot and sunny summers, you also need to know the rules for providing first aid for sun and heat stroke. More details - material.
Let's find out what to do if a wasp has bitten into an arm, leg (the most common cases) or another part of the body:
No need to try to pick at the wound to find the sting, because only bees leave it.
What to do if a wasp has bitten a child? First, give an antihistamine according to the age category, then disinfect the wound and use folk remedies (lemon juice, onion, vinegar) to neutralize the poison.
Insect venom releases histamine and other components that provoke the onset of an allergic reaction. Therefore, you need to know what to do if a wasp has bitten and a person’s arm or leg is swollen.
Allergy is divided into several degrees of severity:
An increased risk of developing a severe anaphylactic reaction with allergies occurs most often in people with chronic heart problems and asthmatics. In the event of a local allergic reaction (swelling around the bite site), the following should be done:
In the next video, the candidate of medical sciences will tell you how to help with a wasp sting.
To diagnose an allergy to insect venom, a skin test or blood tests for specific IgE antibodies are performed. The only way to alleviate the symptoms of an allergic reaction is to systematically administer small doses of insect venom. This procedure is carried out in a hospital or outpatient setting. The doctor regularly injects to maintain the normal functioning of the immune system. This treatment lasts 5 years and guarantees a 90% result.
If the swelling gets bigger and bigger, this is a reason to see a doctor.If an anaphylactic reaction occurs, allergy tests with the type of insect allergen should be performed 2 to 3 weeks after the bite.
Depending on the reaction of the body, the degree of the allergic reaction is determined. If the first test is negative, it should be repeated after 4-6 weeks. Such manipulations should only be performed by an experienced allergist, who can skillfully prevent the development of allergies during the test.
After a bite, you need to listen to your body and monitor your well-being. The reaction of the body to poison is individual for each individual. and proceeds differently. You should seek medical help in such cases:
Nobody is immune from wasp stings and completely avoiding an insect attack is very difficult. However, you can minimize this risk, for this it is recommended to follow some precautions:
In a special risk group are people who are allergic to wasp venom, young children, as well as children of parents with allergies. Elderly people should be especially careful when meeting with wasps. Their reaction to the sting may be unexpected.
Wasps are not the only danger that awaits people during outdoor recreation. Scroll down to find out what are the first symptoms and signs of heat stroke. you can find out all about the symptoms sunstroke and its danger to children and adults.
Symptoms of a wasp sting can range from redness and itching to nausea, vomiting, and difficulty breathing. Therefore, it is important to avoid insect attacks, especially for allergy sufferers. But if this nevertheless happened, the affected area must be washed and disinfected, and both pharmacy and folk remedies are suitable to relieve puffiness. Antihistamines will relieve the development of an allergic reaction. In severe cases, medical attention may be required.
From the following video, you will learn in which cases it is imperative to consult a doctor after a wasp sting.
With the onset of warm days, city dwellers rush to their summer cottages. Tired of the winter cold, the noise of city streets, people go to nature, where they will communicate not only with beautiful fluttering moths, but also with stinging poisonous insects bees, hornets. This is where the trouble starts. After all, even if you don’t have a predisposition to allergies, you will still experience pain that turns into itching and get inflammation and swelling in the place where she stuck her sting.
Therefore, when going out into nature, make sure that in your first-aid kit there are antihistamines and other drugs that may be required when meeting with poisonous insects. And be sure to find information on how to treat a wasp sting yourself. To make this task easier for you, in our article we will talk about various methods and the means of treatment in such a situation.
Bee and wasp stings are very similar. The only difference in them is the fact that the first bites lose their tools and die. The latter, on the contrary, can use it several times and at the same time do not leave a sting, but fly away with it. In addition, they are more aggressive than bees and therefore it is much easier to become their victim.
It is quite easy to determine that these insects have been attacked. This is primarily signaled by a rather tangible pain. And literally instantly, redness of the skin appears at the site of the bite, a burning sensation, which subsequently turns into itching, and may swell.
The tumor can escalate to large areas of the body, if an insect has stung in the foot, then it can smash the entire leg.
If a sting remains in the wound, it means that you were stung by a bee. It should be removed immediately to avoid getting an additional portion of the poison under the skin. In the absence of a sting, it is safe to say that you have become a victim of another insect.
Itching after a wasp sting can also be one of the symptoms of a developing allergy.
Consequently, the symptoms may be more pronounced, including:
Even people who are not susceptible to insect venom note some swelling in the place where the sting entered.
Many people ask if the sting remains if you are stung by a wasp? Let's repeat again. No, this organ has smooth walls, which allows it to easily slide inside the skin. Therefore, she can deliver several blows at the same time and at the same time not lose her sting.
The swelling of the eyelids can be so severe that the person cannot open their eyes.
Depending on whether it was a bee or a wasp, the priorities in rendering first aid to the victim. If there is a sting in the wound, it must be removed. After all, the longer the weapon stays there, the more poison will enter the tissues and organs, and the stronger its effect on the body will be.
It is forbidden to pick at the bite site in search of a sting. Wasps, unlike bees, do not leave their stinger in the body.
If they ate a wasp, they immediately begin to process the wound. For this you can use:
They will help relieve swelling after a wasp sting. Then a cold compress or ice can be applied to the inflamed area. Exposure to low temperature will make the nerve endings less sensitive, which will lead to a slight, but still relief.
The loss of fluid in the body will help make up for warm tea, fruit drinks or ordinary drinking water. With a strong reaction and dehydration, you can use special powders, such as Regidron, which are diluted in water and are designed to replenish fluid in the body.
Suck out the poison from the wound, use the acid immediately after the wasp sting within 3-4 minutes after the attack
But after all, a wasp could also bite a person prone to allergies. In such a case, he must have a special passport. Such documents are issued in medical institutions and contain the contacts of the patient, as well as ways to help him. In addition, he should have a set of antihistamines and a syringe with him, in case of a transient reaction.
The children's body is more sensitive to various poisons. Therefore, if a stinging insect managed to bite a baby, then the reaction may be stronger than that of an adult.
However, nothing terrible will happen if it manifests itself with symptoms such as:
In this case, remove the sting, treat the wound with an antiseptic and apply a cold compress to it. But the first few hours you need to carefully monitor the condition of the child. Noticing its deterioration, the manifestation of an allergic reaction, immediately contact a doctor who knows what to do.
It is necessary to apply a cold compress to the place bitten by the wasp, this will help reduce the severity of edema.
Since it is not common for babies to endure, then as soon as the wound begins to itch, they will constantly disturb it. A gauze bandage will help to avoid this, under which you can put a compress with anti-inflammatory ointment.
Gardex Baby - use to treat wasp stings, even in infants.
Assistance to the child depends on his age. Teenagers and children preschool age sufficient treatment of the wound. Compresses with tincture of calendula or valerian will help relieve swelling and itching for babies, and the baby should be immediately shown to the doctor.
The consequences of meeting with a stinging insect can be eliminated different ways, using medicines for this and the so-called folk remedies. The former are necessary for the development of an allergic reaction, and the latter can be used for any outcome.
To folk remedies Wasp stings include:
An infusion of tansy to reduce swelling, and a decoction of St. John's wort will relieve itching
When using the plants listed above, you can not only make compresses with their juice, but also apply whole leaves, after removing them from them. upper layer skins. We examined how to treat with a normal reaction to insect venom. But how to remove swelling after a wasp sting if an allergic reaction has begun.
In this case, the plants will be ineffective and it is necessary to use antihistamines, as well as anoint the wound with such gels as:
They include components that have a cooling effect, relieve redness and swelling. But having provided first aid, you cannot leave a person unattended. And if the swelling increases, then you need to urgently consult a doctor.
Waiting for his arrival, take emergency measures.