Spots on the skin that look like lichen: how to distinguish them from allergies on the body if they don’t itch

What is lichen?

Ringworm is a skin infectious disease belonging to the group of dermatoses. The diagnosis of “lichen” simultaneously includes a whole list of skin pathologies that are of viral or fungal origin. At the same time, the mechanism of transmission of the infection still remains unknown, that is, not all people who are at risk for infection with this pathology become ill with lichen. But it has been established that predisposing factors to the development of the disease are a decrease in the protective forces of the immune system, stressful situations, hereditary predisposition, psycho-emotional and physical stress, hypothermia and frequent infectious diseases.

There are several forms of lichen:

shearer; pityriasis; encircling; scaly; pink.

Since there are several types of lichen and the causative agents of the infection differ, it is important to determine the diagnosis on an individual basis and, depending on the nature of the disease (fungal or viral), select the appropriate effective treatment. Children are most often affected by shingles.

Infection usually occurs from sick animals, usually ringworm, which is often found in cats and dogs that live outside. This disease is the result of a fungal infection. In adults, the herpes zoster or blistering form of lichen, which develops as a result of the pathogenic activity of the herpes virus, is more often diagnosed.

The rash with lichen looks like large spots that are pink in color, regular in shape and have strict boundaries. The rashes peel off and can change color. Foci of pathology usually appear in the abdomen, back, forearms and legs, less often in the genital area and on the scalp. Concomitant symptoms of lichen may be enlarged lymph nodes and hyperthermic syndrome. Ringworm can be cured quite easily and successfully; usually the course of treatment lasts no more than 2–3 weeks, provided that the disease has not progressed into an advanced process.

Can't deal with fungus?

Herpes on the lips is a common virus; more than 90% of the population is infected with it. The disease begins with itching, one or more blisters appear, as soon as a person catches a cold or freezes.

It is better to start treatment as soon as you see the first signs. Before the blisters appear, “experienced” patients already feel the first signs - itching, tingling or burning in the area where the ulcer appears. If you start treatment right away, you will be able to stop it!

Nail fungus, like all other fungal diseases, is contagious. The disease can occur even in those who lead a healthy lifestyle.

At the first symptoms of nail fungus, you should immediately begin treatment. If the disease starts, the nail peels off, changes color, shape, crumbles and noticeably thickens.

We recommend reading: How dysentery is transmitted: main routes of transmission and methods of infection

What is an allergy?

Currently, allergies are considered the most common disease on Earth. According to the World Health Organization, every fifth person on the planet suffers from one or another allergic disease.

Allergy is a kind of protective reaction of the body, its individual sensitivity to certain substances - environmental factors. Allergens can be food, dust, medicines and much more. Most people react to these factors completely calmly, but a certain group of people develop increased resistance to them.

Symptoms of allergies are dryness and hyperemia of the skin, as well as rashes, swelling and severe itching. An allergic rash tends to move from one part of the body to another, unite into large spots, their boundaries have blurred, indefinite outlines.

Symptoms of the disease

The onset of the development of the disease is preceded by a time characterized by viral infection of the body. The first signs of pityriasis rosea in a healthy person appear as:

  1. Slight increase in body temperature, noticeable weakness and fatigue;
  2. Pain in the head and joints;
  3. Development of sore throat, watery runny nose;
  4. No appetite and poor sleep.
  5. Increase in the size of regional nodes (most often the nodes become larger on the neck).

How to remove milia on the face: causes and treatment

In a short period of time, the disease acquires the stage of skin rashes with the development of characteristic symptoms of lichen visible to the person: first, one large spot appears (about 4 centimeters in diameter), although it is clearly limited - in another way it is called a maternal plaque. On a pink background that stands out somewhat above the surface, small scales can be seen. In most cases, maternal plaque occurs in the breast area.

After several weeks, the disease spreads over the skin of the entire body, with small spots appearing symmetrically and reaching 1-2 centimeters in diameter. The scaly spots are framed by a bright pink shell and appear on the neck, abdomen, shoulders and also on the thighs.

Very rarely, symptoms of lichen occur in the facial area. Mass development continues for about 2-3 weeks, after which the process of regression begins (symptoms slowly but surely begin to fade away). Most often, the disease does not develop itching. But the spontaneous disappearance of spots on the skin occurs with dryness, which may make you want to scratch the infected area of ​​the skin.

In some cases, the disease resolves with the appearance of blistering rashes throughout the body. Pointed or merging spots can reach a diameter of 8 centimeters, but their number throughout the body is single.

An atypical type of pityriasis rosea is characterized by a chronic stage of the disease . This form of the disease most often lasts at least a month, sometimes about two months pass from the moment the maternal plaque appears until the symptoms completely disappear.

Ringworm in children develops in very rare cases, and the disease goes away twice as quickly as in an adult. At the primary stage of development of lichen in children, the appearance of one spot, round in shape, is noted. The primary focus of infection occurs in the central part and is flaky, and in the periphery it is framed by a pink border.

After some time, numerous small and itchy rashes appear around the maternal plaque. Constant itching can negatively affect the child, causing him discomfort.

Over time, inflammation completely disappears from the skin without the help of specialists and medications with the formation of almost imperceptible pigmentation or foci of leukoderma (skin discoloration), which also automatically disappear after one month.

How to distinguish between allergies and lichen?

The disease can be recognized by the clinical manifestations that are characteristic of it. How to distinguish allergies from lichen based on their symptoms, we will consider in the following table.

Skin rashThe spots on the skin have regular outlines and clear boundaries. Usually they are located at a sufficient distance from each other, or are single. The rash is diagnosed strictly on certain areas of the body: the stomach or back, shoulders, lower extremities, genital area or scalp. The rash spreads throughout the body quickly and chaotically and can appear on any part of the body. The spots may increase in size and merge with each other. Their shape is not definite, the edges are blurred. Swelling of the skin is almost always noted.
ItchingItching appears only with ringworm and lichen planus. In other cases it does not occur. Allergic diseases almost always cause the development of painful itching, which can only be relieved by symptomatic treatment.
Increased body temperatureWith lichen, body temperature almost always rises, which is associated with a general weakening of the immune system.Hyperthermic syndrome in allergic diseases is extremely rare, mainly in childhood.
Enlarged lymph nodesLymph nodes are enlarged.Lymph nodes are usually in a calm state.

Another difference between these diseases is their DURATION. In most cases, allergies go away after taking an antihistamine or a short course of antiallergic drugs (of course, if we are talking about uncomplicated cases). Treatment of lichen will be longer; a certain therapeutic course will require at least several weeks.

In any case, no matter what the disease looks like, it is better to consult with a specialist who can accurately recognize whether his patient has lichen or an allergy. First of all, you need to contact a dermatologist, who, based on the examination, will prescribe the necessary laboratory tests or tests. If lichen is excluded and the disease is allergic in nature, he will refer the patient to an allergist.

You should not resort to self-medication, especially if the disease occurs in a child. The danger of allergic diseases is that, in the absence of proper treatment, banal urticaria or a rash can eventually develop into atopic dermatitis or chronic eczema, and treatment in this case will be much more difficult and lengthy.

Dermatological diseases are often difficult to diagnose even for doctors, not to mention people without medical education. Some are so similar that it is impossible to distinguish one from the other. So, many parents often doubt: what broke out on their baby’s body? Is it an allergy or lichen that was inherited from a pet? And those who have heard about such a concept as allergic lichen are completely confused. Let's look at all these diseases in order to understand what you should pay attention to.

Red spots on the skin: Video

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Kirill had spots on his back, stomach and legs, the next day all the spots in these places disappeared and appeared in another place. A few days before these spots appeared, Kirill ate Victoria, I think it’s an allergy to berries. We decided to go to the pediatrician, she She confirmed that it was an allergy, but referred me to a dermatologist. We went to a dermatologist and she almost diagnosed us with pityriasis rosea. I didn’t agree with this, I said that this simply couldn’t happen. Continue reading →

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I decided to write a little. In case it comes in handy for someone. I myself suffered at one time and did not know what to do. Nowadays, more and more children suffer from food allergies or allergic dermatitis, or diathesis - in general, as anyone puts it. It all seems to start small. The baby was born clean, with soft cheeks, and suddenly one fine day he had rashes on his face, red spots. They later begin to spread to the chin, eyebrows, even ears, and then our whole body can become covered with these spots, and mom doesn’t know how to help. Continue reading →

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Atopic dermatitis is almost the most common skin disease in childhood and adolescence, but in many adults it remains uncured for many years. The statistics are that 4/5 of preschool children have symptoms of this disease, although not everyone develops atopic dermatitis into a chronic form. What to do if this skin disease is detected? What methods of treating it exist? Atopic dermatitis belongs to the so-called heterogeneous group of dermatological diseases - allergic dermatoses, the development of which is mainly provoked by allergic reactions. Continue reading →

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The appearance of red spots on the skin with a smooth or rough surface most often indicates that a person has become infected with lichen somewhere. This disease is of infectious or fungal origin and can be contracted through contact with a person or animal. Infection occurs quickly: it is enough to shake the hand of a sick person, stroke a cute dog or cat, and after a few days it begins to become covered with spots. Some types of disease are caused by herpes infection, genetic predisposition, and stress.

What symptoms are accompanied by lichen? How to treat this disease at home? You will find out the answers to these and other questions right now!

Nature depriving

Ringworm is not one specific disease, as many people think. In fact, there are different types of it and the reasons for their occurrence also differ. The only thing that all these diseases have in common is the nature of the skin rashes. They always look like round or oval spots that are slightly flaky. Their size and color may vary, as can the accompanying symptoms, but the presence of one or more of these spots indicates that, most likely, it is lichen.

The pathogens of different species also differ. Some are caused by viruses, while others are caused by fungi. For example, the well-known ringworm, which children often contract from animals, is the result of a fungal infection. But vesicular and shingles occur due to the action of the herpes simplex virus and Varicella-Zoster (respectively).

However, there is also a group of lichens, the causative agent of which has not yet been identified. Scientists do not know for sure why they appear. That is why they tend to believe that this occurs with reduced immunity and a predisposition to allergies. The photo shows one of the types of allergic lichen, which most often becomes the cause of numerous disputes about what it is... A disease requiring treatment, or a banal allergy? The inflammation is called: pink lichen of Zhiber.

Types of allergic lichens

To understand how to distinguish lichen from allergies, you need to familiarize yourself with the symptoms of one and the other rash.

To begin with, we will look at several types of lichen, which, according to doctors, are of a neuro-allergic nature. What does it mean? They arise not due to the action of fungi or viruses, but due to a decrease in immunity, against the background of which an allergic skin reaction occurs. The spots are not contagious and often do not require treatment. Such diseases include:

Zhiber's pink lichen. It is characterized by the formation of pink, scaly patches on the skin with a red ring-shaped border. Normally, the spots do not bother the patient in any way, although they can cover a significant part of the body. They are usually localized on the trunk, less often on the face, head and limbs. The disease appears suddenly, often during an acute respiratory viral infection. And just as suddenly it disappears without any treatment after 1.5-2 months. There are no special drugs for its treatment. Tinea versicolor or pityriasis versicolor. It is also mistaken for allergies due to characteristic inflammation. The lesions appear as white spots against darker skin. For this reason, it is often confused with another similar disease – vitiligo. Ringworm becomes more pronounced after sunbathing, since the affected areas of the skin are devoid of pigment and are not susceptible to ultraviolet radiation. The disease also does not bother the patient. It can spontaneously arise and disappear, and over a long period of time. Lichen planus. It looks like red, dense papules with an umbilical depression in the center. Unlike previous types of allergic lichen, this one requires treatment, as it is accompanied by debilitating itching. It is also not contagious, although it can take on a rather scary appearance. Papules tend to coalesce into large, inflamed plaques.

Diseases with similar symptoms

Allergic eczema is often mistaken for lichen. Eczema is characterized by the formation of pink and red spots on the skin, which are accompanied by itching and severe swelling. The behavior of the rash when scratching helps to distinguish eczema from lichen. Itching with lichen is accompanied by peeling and the formation of scales, while when scratching eczema, a weeping erosion or wet sore may form on the skin.

The rash with various dermatitis can take different forms. A common feature of dermatitis is swelling and inflammation of the skin, which is not observed with lichen. Unlike lichen, the boundaries of which are clearly defined, dermatitis can affect a large area of ​​skin. Dermatitis develops in response to an allergen or irritant. Often, symptoms appear a short period of time after contact with chemicals or other irritants. Ringworm, depending on the type of disease, develops over a long period of time.

Symptoms of psoriasis may also be mistaken for lichen planus. Psoriasis is characterized by the formation of lumps on the skin, which over time develop into large plaques. The following three symptoms help distinguish psoriasis from a fungal or viral infection:

  • if you scratch the plaque, the peeling of the skin increases;
  • prolonged scraping of the stain leads to peeling of a thin film of skin, under which a wet surface is visible;
  • further scraping leads to pinpoint bleeding.

With lichen, such symptoms are not observed.

It should be remembered that psoriasis is a chronic disease that progresses quickly, so to make a diagnosis it is necessary to consult a specialist.

Skin hyperpigmentation is the appearance of dark spots on various parts of the body. This is due to a violation of the production or distribution of melanin. This phenomenon is often observed in cases of hormonal imbalance and damage to the epidermis. The formation of darker areas of the skin is also characteristic of lichen versicolor. In order not to confuse pigmentation with lichen, it should be remembered that lichen is characterized by the formation of multiple lesions on the skin, while hyperpigmentation is characterized by single lesions that never merge into large spots. At the beginning of the development of lichen, the spots may be small in size and light in color, but over time they merge into large lesions and darken. This may be accompanied by peeling, but there is no itching.

Differences between allergies and lichen

Now let's look at the symptoms of an allergic reaction and compare them with those listed above. This will help you decide a little whether an allergy or lichen has appeared on the skin.

So, allergies are accompanied by the following symptoms:

Severe itching that interferes with normal functioning and can even disrupt sleep. Inflammation is distributed throughout the body chaotically and does not have clear outlines. Often it is located exactly where the skin came into contact with the irritant. In addition to redness and swelling, a papular or blistering rash may occur. A severely advanced allergy often becomes wet, which is the first sign of its transition to atopic dermatitis.

According to this, we can conclude about the main differences between the two dermatological problems.

Here they are:

With lichen, the spots have clear edges and a regular shape. Often located at a distance from each other. Allergic rashes tend to merge, their edges are blurred and their shape is uncertain. Lichen, except red flat and ringworm, almost never itch. But allergies always lead to severe itching, when a child or adult is ready to scratch the skin until it bleeds. Ringworm goes away for quite a long time even with treatment. A simple (uncomplicated) allergy disappears quickly as soon as the patient begins to take antihistamines and eliminates contact with food or household irritants.

Features of the course of the disease in adults and children

Allergic lichen has some features of its course, which can be used to distinguish it from other diseases and prescribe the correct treatment. It can occur differently in children, adults and pregnant women.

Symptoms:

  1. Hyperthermia is observed.
  2. General malaise.
  3. Appetite decreases or disappears altogether.
  4. There is an increase in lymph nodes.
  5. Pink spots that eventually turn white and go away.

Attention! The spots spread throughout the body at high speed. Already at the first pink spot, you should consult a dermatologist and not take independent measures.

Pregnant women are not protected from the development of allergic lichen. Doctors advise avoiding synthetics while carrying a child. After all, the appearance of lichen means the risk of losing the baby or giving birth prematurely.

In children, this type of lichen is not diagnosed as often as in adults. But such cases still happen. Allergic lichen develops a little differently in children. Most often, the first spot appears on the chest. The child feels unwell. The peculiarity of the leak is that spots appear even on the head.

Allergies and lichen: description

An allergic reaction is a protective reaction of the immune system or its increased sensitivity to a specific allergen, which can be any environmental factor. Every 5th person on the planet suffers from allergies, since the reaction occurs to different allergens: food, chemical compounds, even cold or sun. Allergy symptoms are often itching, redness of the skin, and a rash, the latter being able to move throughout the body, forming large red lesions.

Ringworm is a group of skin diseases that can be caused by a fungus or a virus. The main development factor is reduced immunity. The fact is that with a decrease in the protective functions of the body, the pathogenic form is able to multiply, causing problems throughout the body. There are 6 species, and they differ not only in cause, but also in external characteristics. All types can be united thanks to clearly defined pink spots in a strictly designated area (stomach, limbs). The disease occurs due to the activity of a fungus and a virus. One of the most common and most contagious is ringworm, which appears due to the development of the fungus trichophytosis and microsporia, transmitted to a person from an infected friend or animal. Ringworm is more often seen in children. Shingles is the result of a herpesvirus entering the body.

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Features of allergic lichen. Its types

Doctors have combined into the concept of “allergic lichen” several types of diseases, the nature of which is not a consequence of the proliferation of a fungus or virus, but is considered the result of a decrease in the body’s immune defense, against the background of which allergies manifest themselves. Such diseases include:

Pityriasis rosea does not need to be treated; it goes away on its own within 2 months.

Pityriasis rosea (Giber's disease). The disease appears during a cold or flu, but is not contagious to others. It is characterized by pink, clearly defined spots on the skin with a flaky surface. They usually appear on the body. No special treatment is needed, since the disease goes away on its own after 2 months.

Pityriasis (colored). Outwardly it looks like white spots against the background of the natural color of the skin. As a rule, such lichen does not bother you with itching or fever. The main feature is that it appears spontaneously and disappears imperceptibly. Not contagious.Red (flat). In appearance - red plaques on the skin with a clearly defined center. Although it is not transmitted to others, it requires treatment because it causes severe itching. Return to contents

Reasons for development

The main cause of lichen in humans is still unclear. There are several opinions about the development of the disease: viral (associated with herpes infection), allergic, and also fungal form. In any of these cases, such a disease only indicates a low level of resistance of the immune system .

This is what explains the development of pink spots on the skin after hypothermia, severe emotional stress, regular stress and exposure to the ARVI or influenza virus.

The issue of transmission of such a disease from one patient to a healthy person has also been poorly considered. Infection from insects through a bite cannot be ruled out either. The onset of the disease is associated with vaccination, intestinal disorders or metabolic disorders.

Some treating specialists believe that the main thing in this case is contact and household infection, but they do not exclude infection by airborne droplets. But it should be noted that such a disease cannot be transmitted to a person with a strong immune system, even during contact with a sick person.

Treatment method

It is worth noting that most often this type of lichen goes away on its own. However, in some cases treatment is still required. If the patient has a weak immune system or the lichen has affected too large an area of ​​the body, then doctors provide the necessary assistance:

  1. Nutritionists recommend changing dietary principles. It is important to exclude saltiness, sweets and large amounts of preservatives.
  2. Taking baths is not advisable. You are allowed to take a shower, but not for long.
  3. Stains should not be rubbed or cosmetics applied to them.
  4. Synthetics are not recommended.
  5. To reduce an allergic reaction, Zyrtec and Zodak are taken from medications. Tavegil.
  6. In difficult cases, Acyclovir and Famvir are prescribed.
  7. Additionally, calcium is used.
  8. It is necessary to influence the skin with ointments and creams. If you are concerned about itching, then Medrol and Aklovat, Fenistil help.
  9. When treating, the skin is wiped with chamomile or oak bark decoction after consultation with a doctor.
  10. If you have allergic lichen, it is prohibited to visit baths and swimming pools.
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