Home Hygiene After swimming in the lake, my body itches. After bathing in turgoyak, the skin becomes severely itchy, rashes and blisters

Hygiene

After swimming in the lake, my body itches. After bathing in turgoyak, the skin becomes severely itchy, rashes and blisters

If, after a holiday at the sea or lake, acne appears all over your body, then it is better not to hesitate to visit a doctor, since there are many reasons for their appearance and some serve as a signal that serious problems with health. Rashes on the back, fingers, stomach and face may be various types, both blackheads and watery pimples. Hence, therapeutic measures will differ from the provoking factor and the nature of the rash, which is why consultation with a specialized physician - a dermatologist or cosmetologist - is important.

Main reasons

After swimming in the sea, some people notice that acne appears on the face and other parts of the body. The following pathological conditions can contribute to watery rashes:

Allergy. An allergic reaction to cosmetics, household chemicals, or food can cause a rash when vacationing at sea. In medicine there is such pathological condition, such as photodermatitis or sun allergy. This phenomenon is explained by insufficient production of melanin, which is designed to protect the dermis from the rays of the sun.
Impact sun rays. When you are under the hot sun, you sweat profusely, things get wet and, when they come into contact with the skin, they rub it. Due to the penetration of particles with dust and dirt of bacteria into microcracks, inflammation occurs and acne pops up. Pimples appear on the skin as a result of the reaction of the epidermis with ultraviolet radiation.

In addition, acne on the body can appear after swimming and due to excessive production of sebaceous glands sebum. Especially often, a small black spot appears under the skin, which is a consequence of clogged pores with sebum. Thus, steam room lovers who have an oily dermis note that after the bath the epidermis becomes oilier and dirtier. The reason lies not only in external factors, but also internal ones, for example, a rash after bathing can cover the body if there are problems in the functioning of organs and systems of the human body, and hormonal levels are disturbed.

If pimples start to itch and their number rapidly increases, you should immediately contact a dermatologist, take appropriate tests and rule out dermatological diseases.

What else can cause a rash?

The reason for the appearance after visiting the lake is pathogenic bacteria that are in the water.

One of the main reasons for the appearance of pimples on the skin after swimming, dermatologists highlight contaminated water. Lakes and other stagnant bodies of water quickly become cloudy and are colonized by pathogenic microorganisms that can penetrate into human body. Cercariae living in lake water are especially dangerous for people because they provoke cercariasis, itching and allergic dermatitis.

A pathology such as an allergy or a rash from water is known and described in several variants. Reaction may occur to water different types: for sea, water or river.

An allergic reaction to water may be due to the presence of various impurities in it, for example, certain mineral salts, chlorine or other substances, which cause a water rash. Thus, if a person develops a rash after contact with water in some place (swimming pool, river, sea), but can calmly wash in another place, then the reaction is caused by a certain substance present in the water.

In some sources you can find information about making a diagnosis of “water allergy”. However, qualified allergists refute such data.

Can there be a rash after drinking water?

Before looking for an answer to the question posed, you need to define what an allergy is? This pathology is a special perverted reaction of the human immune system. It can be caused by exposure to a certain substance (called an antigen). The body perceives this substance as foreign to it. In response, the immune system produces immunoglobulins E, or antibodies.

Interacting with the next time the allergen enters the body, antibodies form a special complex, which leads to cell destruction, which releases histamine and other active compounds. It is these substances that lead to an allergic reaction. At the same time, the severity of manifestations in different people may vary significantly. In some, exposure to an allergen provokes an asthma attack, in others it is noted angioedema, and in others it may be observed severe itching and rashes.

It is worth noting that even minimal contact with the substance causes a reaction, causing allergies, even when several years have passed since the organisms synthesized immunoglobulins E. The medical literature describes other, different mechanisms for the development of an allergic reaction.

Returning to the question: can there be an allergy to water, it should be mentioned that the human body consists of this element, according to various sources, from 70 to 80%. Water is part of all human cells, tissues and organs, and is involved in metabolic processes in his body. Blood, lymph and other body fluids also consist mostly of water. Therefore, it is difficult to imagine that the body will begin to produce antibodies to it, because in this case a person is unlikely to be able to live.

Thus, talk about an allergic reaction to water has no basis. In some cases, there may be itching and rash from the water, but this is not a true allergy.

Aquagenic urticaria - water rash

According to the descriptions of the authors and the stories of patients, the manifestations of allergies, or rashes, from water are very similar to the symptoms of urticaria. This kind of urticaria is called aquagenic, that is, resulting from contact with water. In addition to water rash, descriptions of aquagenic itching are often found.

Symptoms of this disease appear on the human body after any contact with water, and its temperature is not particularly important. Aquagenic urticaria manifests itself as a rash and severe itching. The elements of the rash become small blisters, around which erythematous spots are observed. The time it takes for such stains to appear is usually a few minutes from the moment of contact with water. The origin of the water is often also unimportant; it can be distilled, sea, river or tap water, and sometimes the sweat or tears of the person himself. Moreover, for some people, only one type of water causes a reaction, while for others, a rash from water appears upon any contact with it.

The length of time skin rashes persist also varies significantly. For some, the rash goes away within 15-20 minutes, while for others, it can persist for up to several days, causing some inconvenience and discomfort.

The mechanism of development of such a pathological reaction to water still causes a lot of controversy and discussion. But as a result of a number of studies, it was found that in the affected area the number of degranulated mast cells relatively small, histamine levels also remain low. A blood test for the content of immunoglobulin E revealed a small amount of it. All these examinations confirm that the nature of the occurrence of a rash from water and the mechanism of development of a true allergy have nothing in common.

There are suggestions that the so-called “aquagenic urticaria” appears when the smallest nerve endings are irritated.

A child has a water rash: diagnosis

When diagnosing aquagenic urticaria, it is necessary to exclude other possible reasons the appearance of rashes, for example, cold, sun, the presence of certain substances in water, heat, etc. To do this, they conduct a survey of the patient, during which they must find out whether close relatives have allergies and similar diseases, whether this is the first case of a rash from water, diet and lifestyle, whether he takes any medicines And so on.

Water rash in young children often has other causes. So, a child may develop rashes after wearing synthetic clothing, using certain cosmetics, including soap, washing his things with powder, eating certain products, etc.

A general urine and blood test, as well as a biochemical examination, do not show signs of aquagenic urticaria. visible changes. However, such studies are still necessary to exclude pathologies that have similar symptoms.

In adults, the diagnostic complex may also include ultrasound of internal organs, examination by a proctologist and fibrogastroduodenoscopy. This is due to the fact that the occurrence of a rash may be associated with tumor processes which may be characterized by paraneoplastic itching. With this pathology, severe itching and rashes may appear after contact with any irritating factors, which includes water. Similar symptoms may occur with helminthic infestations, which often affects young children.

After other possible causes of the rash have been ruled out, a water test is performed. For this, a water compress is applied to the human skin for half an hour; the temperature of the water used for it is about 35-37 degrees. If the test gives a positive result, then the diagnosis of “aquagenic urticaria” is considered confirmed. Before such an examination, you should not take antihistamines for at least 3 days.

Treatment of water rash

Treating water rash presents certain difficulties; it involves getting rid of the rash and itching. It should begin by limiting any contact with water that causes a reaction, that is, the patient is recommended to use rubber gloves when cleaning, washing and other household chores, and refuse to visit the pool or swim in the river or sea.

For many people, washing exclusively becomes their salvation. boiled water, which is cooled to desired temperature. Efficiency of reception antihistamines with aquagenic urticaria is controversial. But these are the drugs that doctors usually prescribe.

It is useful to lubricate the skin with moisturizing creams and ointments that contain corticosteroids before future contact with water.

To summarize, we can say that the diagnosis of “aquagenic urticaria” has nothing to do with a true allergic reaction. This disease is detected quite rarely. In the vast majority of cases, the occurrence of a water rash is caused by the occurrence of some pathological processes in organism.

First of all, you need to consult a dermatologist who will find the cause of the skin rash. Acne may be the result of an allergic reaction of the body, in which case you will need to be examined by an allergist. If the cause of a skin disease is an infection, the patient should be examined by an infectious disease specialist.

The influence of water bodies on human skin health

In summer, you especially want to hide from the heat in cool water, but before swimming in fresh water or a lake, you need to carefully study the safety rules and weigh all the risks. An increase in air temperature causes the proliferation of pathogenic microorganisms in water, which can cause many skin problems and infectious diseases. Swimming in clean water can strengthen the immune system and have a positive effect on the nervous system, so you should not deprive yourself of such pleasure. If there is a lot of vegetation and birds swimming in a lake with clear water, it is still better to refrain from water procedures, because cercariae may be waiting for a person.

The most dangerous zone is considered to be closed reservoirs with stagnant water, contaminated with industrial waste and garbage.

You should immediately contact a doctor in the following cases:

an increase in temperature immediately after visiting a pond or for several days;
nausea and vomiting;
diarrhea;
red pimples or spots on the body accompanied by itching;
ear pain;
redness and inflammation of the eyes.

Of course, you need to swim only in clean ponds, where you are allowed to plunge into the water without risk to health. As a rule, in polluted and dangerous water bodies a special warning sign is placed for humans. To avoid getting infected when swimming in unknown bodies of water, you should follow simple rules:

do not swim in water with ducks and other waterfowl;
feed birds only outside the reservoir so that they do not remain in the water and spread helminths;
lubricate the skin with oil or a special repellent cream;
do not enter a lake or river with dirty or colored water;
It is better to choose rubber slippers to protect yourself from cuts and injuries;
cuts and scratches are a contraindication to swimming in closed waters.

Beaches should be specially equipped for swimming, and it is better to catch fish from a boat rather than going into the water, especially if there are reeds in it. If immersion in water cannot be avoided, you need to protect your skin with special clothing and rubber high boots. It is not recommended to swim in places where there are ducks, as well as other birds that are fed by people. To protect against cercariae, repellents are applied to the body, the effect of which lasts for 1 or 2 hours. Instead of special ointments, you can spread the skin with a Vaseline-based cream.

In reservoirs with a shallow bottom, the water warms up much faster, which promotes the proliferation of pathogenic microorganisms and worm larvae. It is better to choose beaches with fewer people, where the risk of infection is much lower. Bathing rules will help avoid infection:

You need to stay in the water for no more than 10 minutes.
Swim in lakes with a depth of at least one meter.
After swimming, rinse with clean running water.

Video on the topic of what is swimmer's itch - cercariae.

Hello, the problem appeared about 5 years ago, now I’m 33. Red spots similar to a mosquito bite with a slight swelling in the center began to appear after swimming in the sea, river or pool, there is no itching, it goes away in about 10 minutes, it doesn’t interfere with life, but I would like to know what the problem is ? Today we showed up for the first time after I actually started practicing contrast showers. Please tell me, there are a lot of people on the forums with a similar problem, but I haven’t found a clear answer. Thank you in advance.

Brodin Vadim, Krasnodar

QUESTION FOR CLARIFICATION 09/08/2014 Melnik Anna, Tikhvin

Hello, after drinking water, red spots appear on my body, similar to mosquito bites, they itch, and go away in about half an hour. Sometimes they just pop up even on the face. What could this be?

ANSWERED: 09/08/2014

Vadim, good afternoon! Diagnosis of your disease: Chronic urticaria. Very . There are many reasons for its occurrence. To understand the problem, it takes time and the desire of a doctor. The question arises, did you contact a specialist and did you undergo any treatment? First of all, it is necessary to undergo an examination: blood for Giardia, opisthorchia, Toxocara, Helicobacter. Any positive result requires consultation and treatment with an infectious disease specialist or gastroenterologist. If rashes occur, it is necessary to treat with a hypoallergenic diet. There is no point in having an allergy test done by an allergist.

Clarification question

date	Question	Status
26.10.2015	I have been suffering from itching in the form of hives for about 3 years. Redness begins, then itching of the whole body, especially the arms, legs and back. After scratching, the area swells for a while, but then I wipe it with water or a vinegar cloth to reduce the redness and it stops for a while. Over the years, no matter what I have done, at the moment I take loratadine 2 times a week when I have no patience at all, it calms me down. I took every possible test and was diagnosed with demographic urticaria. And treat...
19.09.2017	Hello, these spots appeared on my body, the itching was severe after a shower. They turn red after contact with water. The spots are dry. How to treat? Maybe some tests need to be taken? I applied Dermovate ointment and a simple topical cream, but there was no result. Every day they become more and more.
28.05.2016	Hello! About 2 weeks ago I noticed a red spot (with a radius of about half a centimeter) on the body of the penis. During sex, it became bright red and was painful to touch. At this time, I began to constantly rinse my penis generously with water 2-3 times and wash it with Clear anti-dandruff shampoo. Sometimes it happened that I was walking in clothes, and then I took my penis out in the toilet and saw that the skin seemed to be peeling off. I wash off this whitish skin and again see a red spot that hurts when pressed. I hope you can...
24.02.2017	Hello, I have the same problem! Last year, in the same spring, a red spot appeared on me and immediately went away in a couple of days! This year at the same time and in the same place it came out again, only the consequences were much worse! Red spots appeared all over the body; blisters appeared on one of these spots! A blister filled with some kind of water also came out on my lip, and the same on the head of my penis! Please advise what to do, the hospital is closed because of the holidays
19.09.2012	Hello, please tell me, I celebrated a friend’s birthday outdoors and after a while I became covered in red spots all over my body, ate meat, salads and drank whiskey, in my opinion it was of poor quality. The next day, I bought the medicine Zyrtec, it seemed to help, the spots disappeared from the body, only the legs and arms remained, and then less than the first time, I woke up this morning everything appeared again And there’s already a little bit on my face, I’m going to go to the pharmacy and buy also suprastin and calcium glucanate. what's the matter? What's up...

Causes of the rash

A rash on the body can be the result of certain infectious diseases - for example, herpes infection, chicken pox and other infections. Many blisters appear on the skin, which then dry out and become crusty. Then the crust disappears and a spot remains at the site of the rash, which soon also disappears. If the blisters are scratched, then as a result of infection, ulcers appear instead of a crust, and after them unsightly scars remain.

Allergic manifestations of a rash often mean urticaria. Red raised spots of various shapes appear on the skin. They are often accompanied by itching. With allergies, the same symptoms appear on internal organs Therefore, first of all, it is necessary to find out the cause of the disease, and then consult an allergist for a course of treatment.

Specific red rashes along with scarlet fever are symptoms of scarlet fever infection. This body rash is itchy, small and appears in the lower abdomen, groin and buttocks. Sometimes found on the face on the cheeks. In such patients, the symptoms are as follows: the nose and skin around the mouth are pale, bright red cheeks. After a few days, the rash becomes itchy and flaky.

A herpetic infection can cause a rash. In this case, the blisters in the form of hyperemic spots on the body contain clear liquid and itch. Then the bubbles dry out, become crusty, or break open, forming erosion. This herpetic infection appears on the skin of the hands and buttocks. With the disease, headaches, malaise, tingling and itching are common.

It is not uncommon for a rash to appear after the sea and sun. Often these rashes are called solar dermatitis. Redness and swelling appear on the skin, similar to hives. rashes that arise after the sea and sun can become chronic and develop into eczema.

How to avoid getting a rash

You should not try to treat the rash yourself. It is necessary to establish the source of the disease. Once the cause is eliminated, the skin manifestations will gradually disappear. For most people, rashes can occur as a result of allergies to food and medications. If you have a rash on your body, you first need to analyze your diet over the last 36 hours. Allergies can also occur if you consume canned foods, spices and drinks containing dyes. The most allergenic foods are chocolate, citrus fruits and honey. The rashes that appear after these products are always accompanied by itching.

An effective means of preventing rashes and the first method of treatment is to control your diet with hypoallergenic diet. Because the rashes go away only if the allergen does not enter the body in the future, then if this diet is not followed, the allergy begins to manifest itself in a more pronounced form.

If the rash does not go away on its own, you can use the following remedies to relieve itching and other symptoms:

ointment and cream based on menthol, pramoxine, camphor or diphenhydramine
moisturizing lotions
antihistamines such as loratadine or chlorpheniramine

If these medications do not provide any effect and the symptoms of the rash become more extensive, then you should consult a doctor.

Features of rash during pregnancy

Dermatosis of pregnancy is common in primigravidas. It usually appears as a rash on the chest, back or face. The cause of body rashes in pregnant women is hormonal imbalance. Pregnancy rashes are often common in the third trimester. A rash appears on stretch marks, gradually turning into red nodules measuring 2 mm. Often, dermatosis of pregnant women goes away in the first week after birth and does not affect the course of pregnancy in any way. The skin after childbirth is restored to normal.

If the rash causes you severe discomfort, then special medications that are approved for pregnant women will help. If the rash on a pregnant woman’s body is caused by hives and itches, then this itching can be treated with antihistamines.

Rashes in pregnant women caused by infections and viruses are often prerequisites for congenital malformations of the fetus, chromosomal abnormalities and even fetal death.

During pregnancy, a rash can be a reaction to various substances - food, medications and others. In this case, it appears in the form of bubbles with a clear liquid. Rashes can appear both locally and throughout the body. Allergies may occur for the first time in pregnant women. This is due to medications taken during pregnancy.

A rash in pregnant women can occur due to hormonal changes in the body, as a result of allergies, infectious diseases, herpes, scabies and smallpox. A timely visit to the doctor will save the life of your fetus.

Human skin can undergo various changes after bathing. Most often, epithelial damage occurs when staying in lakes or fresh water bodies. This is explained by the fact that when the water temperature rises, pathogenic flora begins to multiply in it.

Attention!

The most dangerous zone is the standing water of closed reservoirs contaminated with garbage and industrial waste.

Spots, pimples and rashes after swimming.

Immediate causes of defeat skin after swimming, the water may become polluted and bacterial flora may actively multiply in it.

Aquagenic urticaria is an allergy to water rare species. Usually it is a secondary link systemic disease(sensitization to food, plants, pollen, gallbladder and liver pathologies, helicobacteriosis). In this case, an exacerbation of the disease is provoked by swimming in cold water.

Swimming in colored and dirty water may cause allergic dermatitis. It is expressed by a papular itchy rash and pimples.

Overheating on the beach or excess ultraviolet radiation can cause hives. At the same time, contact with cold water may speed up the process of rashes.

Itchy spots after swimming can be a consequence of contact urticaria: contact with marine or river representatives of flora and fauna. In this case, the rashes are very itchy, there is a feeling of heat, perhaps they are blue in color.

Scabies can be transmitted not only through direct contact with a carrier. There is a risk of infection through contaminated water. The mites, having penetrated the epidermis, begin to make passages there, causing the patient to experience severe itching and a linear arrangement of pimples. In this case, itching tends to intensify at night.

When swimming with ducks and other waterfowl, you can become infected with cercariasis, a type of helminthiasis. At the same time, red spots appear on the skin that itch and itch.

Giardiasis is the most common waterborne infection. Its carriers are cows, rodents, cats and dogs. Cysts enter the water and are able to live in it for about 5 weeks. Giardia causes dysfunction of the digestive tract, appearance on the body small rash, reminiscent of hives. Loss of appetite, dizziness and nausea appear.

The causative agents of most fungal infections can live in water. They can settle on nails, skin and internal organs of a person. So, swimming in prohibited places can cause mycosis. Carriers of the fungus can be: rodents, birds, people. When infected, rashes that appear on the body are accompanied by cracks, itching and peeling.

Insect bites can also cause active desensitization of the body.

Cuts and injuries from unexpected objects in the water can trigger inflammatory reaction. Local damage if not treated in a timely manner can cause septic reactions.

Clinical symptoms

The following clinical symptoms require contacting a doctor:

vomiting, nausea;
diarrhea;
conjunctivitis, inflammation and redness of the eyes;
red spots or pimples on the body that are accompanied by itching;
ear pain;
elevated temperature body immediately after bathing or a few days later.

Ambulance

Severe itching and rashes that occur after contact with water can be relieved by treating with menthol ointment.
Red bubbles can be washed with soda solution.
Star balm (Vietnamese) also helps relieve itching.
If the itching is very severe, the pimples should be washed with soap, but do this carefully so as not to increase irritation on the body.
It is recommended to take a shower or, if possible, a bath with a decoction of celandine or chamomile.
It is acceptable to use herbal lotions on a clean body instead of a bath.
Before visiting a doctor, it is advisable single dose antihistamines.
High temperature should be reduced with antipyretics.
When a runny nose occurs, instillation of vasoconstrictor drugs is permissible.

Which doctor should you contact for help?

Initially, you should consult a dermatovenerologist to identify the causes of the itchy rash, rashes and spots. The changes may be a consequence of allergic sensitization of the body. In this situation, an examination by an allergist is required. If there is an infectious predictor of a pathological lesion, it is necessary to undergo examination by an infectious disease specialist.

Prevention of dermatoses after swimming

You should swim on specially equipped beaches.
Swimming with waterfowl is not recommended.
It is not recommended to swim in areas less than 1 m deep.
Staying in water should not exceed 10 minutes.
After swimming you should rinse with running water.
Fishing should be done from a boat without going into the water, especially if there are reeds.
In case of contact with water, the epithelial cover should be protected with a cream based on Vaseline or other fatty base.
When near a body of water, you should treat your skin with repellent to avoid insect bites.

Manifestations of cercariasis occur within the first half hour. Where the cercariae ended up, the skin turns red, tingling, itching. After a few hours, a rash appears, blisters the size of a pea, weakness, dizziness, sleep disturbances, fever, and sometimes a dry cough may also occur. After 7-10 days clinical manifestations weaken, and pigmentation at the site of the rash and mild itching remain for another 2-3 weeks. Exacerbations or complications may occur due to re-infection. In the presence of pulmonary syndrome the disease is more severe and requires medical intervention.

Zone increased risk - stagnant bodies of water contaminated with organic and household waste , with large aquatic vegetation, where river snails are found and birds swim on the surface.

Unfavorable for this disease is Lake Naroch. A few years ago it was adopted Government program on the ecological improvement of this reservoir. Thanks to its implementation and the comprehensive fight against cercariasis in Naroch, the number of victims of allergies after swimming has decreased significantly.

However, as noted by the head of the municipal hygiene department of the Republican Center for Hygiene, Epidemiology and public health Irina Zhevnyak, it is impossible to say that there is no cercariasis in Naroch and other reservoirs of the republic at all. The fact is that from each infected mollusk, thousands of larvae are born during its life. And this is a high probability that the bather will be able to meet new carriers of cercariae in the water. Therefore, you should not neglect certain precautions.

When swimming, washing clothes, playing in water, fishing need to avoid overgrown, shallow areas.
Need to swim only on specially equipped beaches, it’s safer to fish from the shore, boat, bridge.
You should not swim in areas where there are river snails, and where vacationers feed waterfowl .
You need to stay in the water for no more than 5-10 minutes.
After swimming in a suspicious body of water, you must dry skin thoroughly with a towel and quickly change wet clothes.
When you walk barefoot in shallow water or on wet grass near a river, you should wipe your feet vigorously every 2-3 minutes: Cercariae penetrate the epidermis within 3-4 minutes and can be removed mechanically.
If you need to stay in water for a long time (for example, work in pond farms, etc.), be sure to use protective clothing and footwear.
Should be used repellents(dimethyl phthalate, diethyltoluamide, etc.) or creams and ointments prepared on their basis. These products, applied to the skin, protect against cercariae larvae for approximately 1.5-2 hours.

For those who were unable to avoid cercarial dermatitis, they will help get rid of itching menthol and diphenhydramine ointments, Vietnamese balm, rinsing soda solution . In severe cases, you should definitely consult a doctor.

Olga SHEVKO, July 16, 2011.
Newspaper “Zvyazda”, original in Belarusian: http://zvyazda.minsk.by/ru/archive/article.php?id=82893

Memo on the prevention of schistosomatid allergic dermatitis

In shallow water, well warmed by the sun, favorable conditions are created for reproduction and development. helminth larvae(cercariae) of waterfowl. These are microorganisms invisible to the naked eye that can move freely in water, accumulate in coastal aquatic vegetation (hornwort, elodea, pondweed, etc.) and actively attack waterfowl or humans.

People who bathe for long periods of time in water containing cercariae may develop a painful condition called schistosomatid allergic dermatitis(synonym: cercariasis, or, colloquially, " water itch», « bathers itch»).

Clinic of the disease develops within half an hour after leaving the water: in places of penetration of helminth larvae (usually the legs, thighs, buttocks), the skin turns red and feels tingling, burning, itching. Then a rash (in the form of hives), pea-sized blisters, and blisters appear. Sometimes victims experience weakness, dizziness, and sleep disturbances; in severe cases (with multiple lesions of cercariae) - fever, dry cough. Expressed symptoms disappear after 7-10 days; Skin pigmentation at the site of the rash and mild itching remain for up to 2-3 weeks.

To avoid infection, you need to know and follow the following rules:

do not feed wild waterfowl in areas intended for swimming;
swim on specially equipped beaches, away from accumulations of river mollusks and nesting areas of waterfowl;
be in the water no more than 5-10 minutes(to protect against the penetration of larvae, the skin can be lubricated with nourishing creams and oils or vaseline-based repellents);
If possible, choose areas of the lake with a depth of more than 1 m for swimming and don't linger in shallow water;
coming out of the pond, rinse tap water , and if this is not possible, then wipe yourself dry towel (especially shins and thighs).

If it was not possible to avoid cercarial dermatitis, they will help relieve itching menthol and diphenhydramine ointments, Vietnamese balsam, rinsing with soda solution. In severe cases, you should contact a medical facility.