How to recognise atopic dermatitis?

On your child's cheeks and arms, is her skin very dry (known as xerosis in medical terms), often scaly (dry skin that flakes off), and are there red patches that occasionally flare-up? Does she scratch, wriggle in discomfort, cry often and have trouble falling asleep? She may be suffering from atopic dermatitis (atopic eczema). It's best to check with your doctor, who can decide on an adapted treatment.

Signs to watch out for:

  • Scratching, caused by itchiness, is one of atopic eczema's main symptoms.
  • Most often, the skin disease appears in babies around 3 months old. Red eczema patches appear on his cheeks first, and on his arms, legs, scalp and seat.
  • As your child grows, after 12 months, the patches move to folds in his skin (neck, back of his knees, inside his elbows, behind his ears), around his mouth and on his hands.

Article - Eczema Accalmie


  • Patches appear on the skin, pink at first and becoming more and more red and bumpy.
  • The skin's inflammation makes it intensely itchy. If your child scratches, the inflammation gets worse, making it even itchier and increasing the risk of infection.
  • Scratched enough, the patches will secrete fluid. You can observe the little blisters of liquid (vesicles) and small crusts forming. The whole area can even swell (œdema). It's at this stage that the risk of bacterial infection (golden staphylococcus) is at its highest. And it's also when your child most wants to scratch!
  • Scratching produces small sores that complicate the situation further.
Article - Eczema Skin

Calming Down

  • Anti-inflammatory treatments (topical corticosteroids) heal the skin and make patches fade, but the skin is still dry.
  • Itchy sensations are still present even without eczema patches. There is still micro-inflammation in the skin. It needs to be hydrated DAILY with emollients.
  • After a few weeks, a new flare-up occurs, without necessarily being able to tie it to an event that set it off. Flare-ups and calm periods cycle back and forth, and good hydration makes it possible to space out the flare-ups.

It's really itchy…

Eczema has a real impact on quality of life because of the ongoing discomfort of itchiness. It can be particularly intense – unbearable, even. You need to be understanding when your child is annoyed or grumpy, when she can't sleep or can't concentrate at school. Her own skin is making her suffer terribly! It's not easy, either, for a child to control her scratching, even if scratching keeps the vicious circle of inflammation and infection turning. You do have solutions available to help your child and soothe her itch.

Article - Child Atopic Schema 1

1. Skin is very dry and is lacking both in water and lipids.
> It needs to be nourished with a complete hydrating treatment.

2. Skin poorly performs its barrier role. The outermost layer is more permeable.
> Skin needs to be protected from micro traumatisms that can impair it even more, like permanent scratching, or hygiene that is too aggressive.


Article - Child Atopic Schema 2

3. Skin lets allergens in (exterior factors such as dust, dust mites…) and becomes progressively more sensitive, which provokes an excessive and unjustified reaction by the immune system.
> It's impossible to eliminate all allergens at home, let alone elsewhere, but we can control aggravating factors.

4. Your child's organism defends itself from the pseudo-attack by setting off a skin inflammation – the eczema flare-up that you see.
> Topical corticosteroids are perfectly legitimate at this stage to calm the inflammation.

The causes: where does atopic dermatitis come from?

There is a hereditary element…

A favourable genetic environment exists where atopic dermatitis can develop. Families susceptible to atopic diseases are more sensitive to environmental allergens. The risk of a child developing atopic dermatitis is 30% if one parent currently suffers from the disease or did in the past, and 70% if both parents have or have had the disease2.


The environment's role

Hereditary background therefore plays a role, but can not explain on its own the explosion in the number of cases over the past 40 years. Some talk about our excessive hygiene in modern society, especially in cities, where children no longer receive early exposure to allergens. Too much water on the skin, housing that is poorly ventilated (dust mites) and too well insulated, exposure to cigarette smoke and urban pollution… Poorly stimulated, their immune system is disturbed.

The good news is that only 4% of adults over 15 years of age suffer from atopic dermatitis5. In the vast majority of cases, the disease disappears during childhood.

NO: You can see eczema but it can't be transmitted to peers. This is an important fact that you need to explain to your child, his friends and their parents…

Bioderma - skin expert

NO: As long as eczema flare-ups are properly treated and the skin is hydrated everyday. The main risk is infection.

Bioderma - skin expert

NO: Not necessarily. An allergy and immune system review will shed no new light on eczema flare-ups, except if local treatments that have been properly followed have failed, and if there is stunted growth. Some doctors advise having one done to detect other latent atopic pathologies, such as asthma and in rare cases food allergies.

Bioderma - skin expert

NO: But it's difficult to live with. Three categories have been defined to evaluate atopic dermatitis: mild, moderate and severe, according to intensity, type of symptoms and impact on quality of life. Among specialists3, an atopic child's quality of life is comparable to that of a child suffering from asthma or diabetes. For 96% of doctors4, atopic dermatitis affects both children's as well as their loved ones' quality of life: treatment, food, living conditions, sleep, stress… Don't hesitate to consult a dermatologist or a paediatrician to receive help and answers for all your questions.

Bioderma - skin expert
1 Biedermann T, Skabytska Y, Kaesler S, Volz T. Regulation of T-Cell Immunity in Atopic Dermatitis by Microbes: The Yin and the Yang of Cutaneous Inflammation. Front. Immunol 2015; 6: 353
2 Atopic Dermatitis – S.A. Büchner, Swiss Medical Forum n°19, May 2001
3 Atopic Dermatitis – John Libbey Eurotext – December 2017
4 Guillet G, Cambazard F. ATOPIA Study: European epidemiological dermo-paediatric survey, overview of results: The influence of environment, lifestyle and type of treatment for dry skin with an atopic tendency among newborns, infants and children. TAP January 2006 – 10th Practical Paediatrics Congress Paris.
5 Wollenberg A, Oranje A, Deleuran M et al. ETFAD/EADV Eczema Task Force 2015 Position Paper on Diagnosis and Treatment of Atopic Dermatitis in Adult and Paediatric Patients. / Eur Acad Dermatol Venereol 2016; 30: 729-47