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Atopic dermatitis

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The skin barrier is leaky and inflames easily — care is therefore not cosmetics but treatment.

Also known as: atopic eczema · atopic dermatitis

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This compilation is for information and replaces neither medical diagnosis nor treatment. If you have symptoms, see a doctor.

The top layer of skin is a wall of cells and fats. In atopic eczema that wall leaks — often from birth, partly by inheritance. Water escapes outward, irritants get in more easily, and the immune system beneath reacts with inflammation. A circle forms: dry skin itches, scratching damages the barrier further, inflammation rises, it itches more. Understanding that circle explains why moisturising is not cosmetics but the load-bearing part of treatment — and why it carries on during good spells, not only in a flare. Typical is the alternation of quiet times and flares, set off by dry heated air, wool against the skin, sweating, infections, stress. The sites move with age: cheeks and outer limbs in babies, later elbow creases, behind the knees, neck, hands. Atopic eczema belongs to the atopic family, next door to hay fever and asthma. Foods play a role in some children, rarely in adults; elimination diets without a proven allergy narrow the diet without the skin getting better. Steroid ointments have a worse reputation than they deserve: used properly and for a limited time they end a flare sooner and save on quantity overall.

Levers & pathways

studiedIf it only starts in adulthood

An eczema appearing for the first time after the age of forty, coming in winter and going in summer, is usually not atopic eczema but a dried-out barrier — which is treated differently.

associatedIf the usual treatment suddenly stops working

A new, night-time itching in untypical places that does not respond to the tried creams can be scabies — it occurs on top of eczema and is then easily overlooked.

studiedMoisturise even when nothing shows

Rich, several times a day, ideally just after washing onto still-damp skin. It is the only part that changes the baseline.

studiedShort, lukewarm showers

Hot water feels good against the itch and makes everything worse afterwards, because it strips fats from the barrier.

studiedSteroid ointment properly, not timidly

Used too sparingly and too briefly, the flare drags on and uses more in the end. Strength, area and duration belong discussed, not guessed.

studiedNo elimination diet without a proven allergy

In children a food can be involved, in adults rarely. Cutting on suspicion costs growth and nutrients and usually does nothing for the skin.

studiedCotton rather than wool against the skin

Scratchy fibres and seams are a common, easily fixed trigger. Fragrance-free detergent, well rinsed, goes with it.

studiedLook closely at weeping, yellow crusts

There is often a bacterial infection on top, which needs its own treatment. More moisturiser will not do it.

traditionalOat bath for dry skin

Hang a cup of fine oat flakes in a cloth in the lukewarm bath water, bathe for 10 to 15 minutes, then only dab dry and moisturise at once.

traditionalCool instead of scratching

Apply a cool, damp cloth or rinse with cold water; keep nails short, thin cotton gloves at night.

studiedIf the eczema gets worse on cortisone

A scratch eczema from scabies mites is often treated as atopic eczema — and spreads under cortisone. Night itching, involvement between the fingers and several people in the household tell them apart.

studiedWhat the medicine does — and what it does not

Steroid ointments lower the inflammation in a flare; calcineurin inhibitors do the same without thinning the skin. Basic care is not an extra: it replaces the missing fats of the skin barrier and is the one thing used continuously.

studiedNumbers and timeframes

Ten to fifteen in a hundred children and about two to three in a hundred adults are affected. In many children it improves markedly by school age. A treated flare usually needs one to two weeks.

Possible complaints

studiedDry, rough skin even between flares

This is the baseline, not the exception. Which is exactly why moisturising continues when nothing looks red.

studiedItch that is worst at night

In the evening distraction falls away and the skin warms. The broken sleep is, for many families, a heavier load than the skin itself.

studiedRed, weeping patches in the creases

Elbow creases and behind the knees in children and adults, cheeks in babies. Weeping and yellow crusts suggest an added infection.

studiedThickened skin after long scratching

The skin lines stand out coarsely and the patch turns leathery. A sign the circle has run long — and that firmer treatment would beat a gentle one dragged over months.

studiedFlares in winter

Heated air draws out moisture, thick clothes rub, showers get hotter. Three things at once, hence the season.

associatedFamily with hay fever or asthma

The three belong together. It changes nothing about treating the skin and a great deal about understanding it.

Blood values

associatedEosinophils

May be raised in atopy.

Nutrients

associatedVitamin D

Low levels linked to more severe course.

associatedOmega-3

Anti-inflammatory — moderate evidence.

Supplements

associatedVitamin D

If deficient — barrier function.

traditionalProbiotics

Studied for early prevention — mixed.

infoOmega-3 (EPA/DHA)

Effects on inflammation and triglycerides established; cardiovascular prevention is mixed. Watch quality and freshness.

Hormones

studiedCortisol

The body’s own brake on inflammation follows the daily rhythm and is lowest at night — which is why it itches most in the evening and at night. That is not imagination but a question of the clock.

associatedHistamine

Explains part of the itching, but far from all of it. That is why antihistamines often help here mainly through their sleep-inducing effect at night.

associatedMelatonin

Sleep is the sorest point in this illness: scratching at night worsens the skin, and bad skin worsens sleep. Breaking that circle is a treatment goal in its own right.

Food

studiedElimination diets only with a proven allergy

In children with a proven food allergy leaving it out improves the skin. Without proof studies show no benefit and nutrients are lost — in children it can slow growth.

mixedVitamin D in winter

Several studies found improvement after correction over 8–12 weeks when levels were low, especially in the dark season. Measure first.

associatedFat from inside and outside

The disturbed skin barrier needs fatty acids. Two portions of oily sea fish a week cover the omega-3 share; topical care works faster than diet.

Alternative approaches — what people use

traditionalAloe vera

Much used on irritated skin; watch for alcohol and fragrance in the product.

traditionalCalendula & arnica

Calendula and arnica are the traditional choice — arnica does not belong on open skin.

studiedProbiotics

Studied in prevention in children; in treatment the data are weaker.

studiedVitamin D

Low levels go together with stronger flares in studies.

Wild herbs — what is traditionally used

traditionalSweet violet

Wild pansy is the traditional skin plant for weeping eczema in children.

traditionalCommon mallow

Mallow compresses soothe irritated, tight skin.

Essential oils — use and limits

traditionalBlue chamomile

The most expensive and mildest skin oil; strongly diluted on irritated skin.

traditionalTrue lavender

One of the few oils many skin types tolerate well — dilute nonetheless.

TCM — how it is seen there

traditionalLI11 · Quchi

The classic skin point in TCM, often combined with dietary advice.

traditionalThermal nature of foods

TCM orders foods by their thermal effect — with skin topics the pungent and heating are reduced.

Frequencies — what is on file

traditionalAtopic dermatitis (eczema)

Listed values: 10 · 11 · 12 · 13 · 14 · 15 · 30 · 95 · 174 · 285 · 528 · 741 · 2720 Hz