Allergic contact dermatitis in children: the most common causes

Atopic dermatitis is a chronic skin disease. Due to disruption of biochemical processes, excessive dryness, peeling, redness occurs, inflammatory processes develop, and itching is felt. It develops under the influence of allergens, and is often combined with bronchial asthma, food allergies, and allergic rhinitis. It appears in the first years of life, most often before 12 months or at the age of 2-3 years, when the children's diet expands and many allergenic foods enter it. With proper treatment and care, the disease enters the stage of stable, long-term remission, but can manifest itself in adolescents, young and elderly people during contact with allergens, a weakened immune system, and after stress.

Symptoms

With atopic dermatitis in children, skin tightness, redness appears, the skin flakes, feels rougher to the touch, and thickening may appear. Microscopic bubbles form, around which moisture is released. The child is worried and scratches the affected areas. When an infection occurs, local inflammation develops and the wounds heal poorly. With significant spread in young children, general intoxication of the body manifests itself: the temperature rises, the peripheral lymph nodes enlarge. Due to severe itching, sleep and appetite are disrupted, and the child often cries. Dermatitis most often affects the face, neck, armpits, scalp, groin, areas under the earlobes, popliteal fossae, and elbows.

How to recognize allergic contact dermatitis in a child

The contours of the inflammation often coincide with the outlines of the object that caused the irritation. The rash spreads little beyond the area of ​​skin that came into contact with the causative factor. The skin here becomes red and swollen, very itchy, blisters, wounds and crusts appear.

Fungal and bacterial infections easily attach to wounds and suppuration occurs. Babies may experience an increase in general temperature.

Frequent exacerbation in the same places leads to unpleasant outcomes: areas of increased or decreased pigmentation, scars, thickening and roughening of the skin.

If you notice a rash or red spots on your child’s skin, be sure to see a doctor to get tests done to determine the exact cause and begin treatment.

The disease may worsen. To prevent this from happening, you need to find and eliminate the provoking causes.

Prevention

Atopy is translated from Latin as strangeness. The causes of the disease cannot always be determined. But long-term observation of patients and members of their families has revealed that it develops more often:

  • with a genetic predisposition - if the parents are healthy, the probability of developing dermatitis in the child is 20%, if one of them is sick - 50%, if both are sick - 80%;
  • in case of unfavorable pregnancy, active or passive smoking of the expectant mother, consumption of food that provokes allergy attacks, use of certain medications;
  • when a newborn is in a dusty room, insufficient care for his personal hygiene;
  • with prolonged exposure to allergens that enter the child’s body with food through the respiratory tract.

Breastfeeding for up to 6 months and avoiding allergy-provoking foods reduces the likelihood of developing atopic dermatitis.

Diagnostics

There is no specific test or examination to confirm the diagnosis of atopic dermatitis; the diagnosis is made clinically. The doctor will examine the rash and ask about the child's symptoms and family history of atopy and allergies. A history of eczema in family members (either as a child or still today) will be an important clue.

Your doctor will rule out other conditions that may cause your skin to become inflamed or itchy. In case of difficulties with diagnosis or severe course of the disease, the pediatrician will refer the child to a pediatric dermatologist or pediatric allergist.

The doctor may ask you to eliminate certain foods (such as eggs, milk, soy, or nuts) from your child's diet for 2 to 3 weeks before reintroducing them and monitoring symptoms. If the diet leads to relief of the rash, and provocation leads to its obvious exacerbation, this will confirm the diagnosis and the need for a diet.

Since there are no accurate laboratory methods for confirming the diagnosis of atopic dermatitis, there are criteria for standardizing the clinical diagnosis (the best known are the Hanifin and Raika criteria).

The criteria are divided into “large” and “small”. To make a diagnosis of atopic dermatitis, it is necessary and sufficient to detect three major and three minor criteria in the patient.

The big ones include:

  • itching;
  • dermatitis affecting the flexor surfaces in adults, or the face and extensor surfaces in infants;
  • chronic or recurrent dermatitis;
  • a personal or family history of skin or respiratory allergies.

Small ones include:

  • specific facial features: facial pallor, erythema, hypopigmented spots, dark circles under the eyes, cheilitis, infraorbital folds, recurrent conjunctivitis, anterior neck folds;
  • typical triggers: emotional factors, environmental factors, food, skin irritants;
  • typical complications: susceptibility to skin infections, impaired cellular immunity, predisposition to keratoconus and anterior subcapsular cataracts, immediate skin reactivity;
  • other signs: early age of onset, dry skin, ichthyosis, hyperlinearity of the palms, piliary keratosis, dermatitis of the hands and feet, nipple eczema, white dermographism, white pityriasis, perifollicular accentuation.

An explanation of each of these symptoms is beyond the scope of this article; The criteria are given here to help you understand what the doctor is guided by when making a diagnosis of atopic dermatitis.

There are also various scales for assessing the severity of atopic dermatitis used by doctors and scientists, the most famous of which is the SCORAD scale. In this scale, the doctor must note the number, prevalence and severity of symptoms of atopic dermatitis, express them in points, sum up the points and, based on this sum, set the severity of the disease.

What to feed a child with atopic dermatitis

In order not to provoke an exacerbation of dermatitis, to relieve itching and redness of the skin, you need to follow a diet. Foods that burden the immune system are excluded from the children's diet: citrus fruits, chocolate, eggs, honey, seafood. Red (strawberries, cherries, currants, apples) and exotic (mangoes, coconuts, pineapples) fruits are dangerous.

Split meals are recommended: small portions every 3-4 hours. It is better to boil, stew, bake, but not fry. Do not use spices, black pepper. The diet should be balanced and contain enough protein, vitamins, and microelements.

Avoid giving your child sugary carbonated drinks, chips, crackers and other snacks for as long as possible. If the infant is receiving breast milk, introduce new foods carefully. Add the product once a week to make sure it doesn't cause breakouts. After meals and between meals, offer your baby clean boiled water.

Skin care

To relieve itching and prevent infection of the affected skin, you need to properly care for your skin:

  • It’s better not to take a shower, but to take a cool bath for about 10 minutes; use medicated bathing products with a soft base that cleanse but do not dry the skin;
  • moisturizing and softening – the skin should not be dry to prevent flaking and cracking; regularly apply a moisturizer recommended by a dermatologist;
  • Do not let your child scratch the affected areas to avoid infection - apply anti-itching products to the atopic areas.

Cream or gel relieves discomfort during an exacerbation and allows you to sleep, eat, and play peacefully. Apply the drug to cleansed skin, treat atopic lesions and the areas around them. Do not exceed the recommended dosage and frequency of use.

What are the causes of the disease?

It is necessary to distinguish between the cause and triggers of atopic dermatitis.

The reason is not fully known to modern science; the main version is a set of genetic, immune and skin changes, in particular, a deficiency of the skin protein filaggrin, which is responsible for retaining moisture in the skin.

The triggers of atopic dermatitis are very diverse, atopic skin is overly sensitive to irritation, so exacerbation can be caused by increased sweating, heat, rough clothing, detergents, dry air, etc. Children with atopic dermatitis may simultaneously have allergies to food, household or other animals, dust mites, tree and grass pollen - these allergens can also be triggers for exacerbations.

In general, atopic dermatitis has a wave-like course, periods of exacerbations (most often occurring for unobvious reasons or for no reason) are replaced by periods of remission - hence there is a great temptation to associate exacerbations with factors that are not directly related to the disease, and vice versa - to attribute healing properties to completely extraneous factors (for example, a diet that parents started by mistake or out of desperation).

It is impossible not to mention the established harmful domestic tradition of calling atopic dermatitis allergic (usually associating it with an allergy to cow’s milk protein) and treating it with diets (a strict “hypoallergenic” diet for a nursing mother, and/or a hydrolysis/amino acid mixture for a child). Indeed, if a child has an intolerance to cow's milk proteins, it may aggravate or cause atopic dermatitis, but not vice versa. Not every child with atopic dermatitis has an intolerance to cow's milk proteins or any other allergens. This means that by prescribing a diet, or an expensive and unpleasant-tasting mixture, the doctor adds problems to the family without helping them. In most cases of atopic dermatitis, identifying allergies and excluding allergens does not provide any benefit.

Rating of the best remedies for atopic dermatitis

To treat atopic dermatitis, use special children's products recommended by a dermatologist. During exacerbations, medications are prescribed for oral administration, application to atopic areas and general body care:

  • preparations for removing allergens from the body - Enterosgel, Lactrofiltrum, Enterodes;
  • skin softening products – Atopic cream for daily care;
  • drugs that relieve itching - Panthenol spray;
  • bathing products - soft shower gels for atopic dermatitis should be purchased at the pharmacy: dermatologists recommend using Atopic bathing gel from head to toe.

Bathing

After a light shower to thoroughly cleanse your entire body, apply Atopic Bathing Gel to damp skin from head to toe, massage lightly and rinse thoroughly. Dry your baby with a soft towel using blotting, but not rubbing, movements. After water treatments, apply Atopic skin softening cream for daily care. Apply it several times throughout the day: after washing your hands and washing your face.

When taking a bath, the water temperature should not exceed 36 degrees. Place your child in the water and offer him toys or other entertainment. After 5-7 minutes, apply Atopic Bathing Gel from head to toe and rinse well. After bathing, use Atopic cream for daily care, and if itching bothers you, let the cream absorb, and then treat the affected skin with an anti-itching drug.

How to choose products that are right for your child

A dermatologist may recommend not one, but several drugs to choose from. They have a similar mechanism of action, but their prices may differ significantly. It depends on the active and auxiliary substances, manufacturer, and release form. When choosing a cream for a child’s atopic skin, you need to take into account possible individual intolerance to individual components.

You need to purchase drugs from well-known manufacturers with a good reputation: Russian, European, American. It is equally important to contact large pharmacy chains that work directly with manufacturers and control the quality of drugs on sale - this will protect you from purchasing counterfeit drugs. Consider the age of the child: choose creams and gels with a pleasant smell so that the child enjoys going to the shower.v

When choosing drugs for oral administration, it is preferable to buy syrups, powders, drops, rather than tablets and capsules that are difficult for a child to swallow.

External causes of the development of allergic dermatitis in children

The disease can be caused by one of the factors or a combination of several.

  1. Physical - friction or pressure on the skin of fabrics, leather products, high or low temperatures, humidity, electric current, ultraviolet or x-rays.
  2. Chemical - various acids and alkalis, substances included in creams and hygiene products, medicines, tobacco smoke.
  3. Biological - sap and pollen of plants, bites and secretions of insects and animals.

Of the plant agents, the most dangerous are the juice of celandine, hogweed, nettle, pollen of meadow and weeds.

In industrial cities in winter, there are widespread cases of contact dermatitis under the eyes and on the hands of children. Three factors are combined here: cold, chemical impurities in the air and touching the skin with wet mittens.

In infants, allergic inflammation can be caused by a combination of high humidity in diapers, fabric friction and the action of inappropriate cream.

A special type of contact dermatitis is phototoxic, when sunscreens degrade in sunlight and cause allergic damage to the epidermis.

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