In plain words
Atopic dermatitis is the medical name for eczema. It is an condition that can flare and calm down over time. In babies it often starts on the cheeks, scalp, or body folds, and can look red, dry, or weepy. It is common, and many children have it. It often runs in families with asthma, hay fever, or food allergy. Gentle skin care and moisturizers can help many babies, and avoiding known triggers can help some. Some flares need prescribed creams. Call your pediatrician if the rash looks infected, spreads quickly, or keeps your baby from sleeping or feeding.
The deeper version
Atopic dermatitis is a chronic, relapsing inflammatory skin disease with barrier dysfunction, associated with filaggrin variants and type 2 immune activation. Weidinger and Novak (2016, Lancet) report prevalence of roughly 15 to 20 percent in children in high-income countries, with most cases beginning in the first year of life. Infant presentation favors the face and scalp, with flexural involvement later. Diagnosis is clinical, using criteria such as the UK Working Party or Hanifin and Rajka. use for prevention of atopic dermatitis in infants has been studied, with trial results mixed. Topical corticosteroids and calcineurin inhibitors are first-line treatments in many guidelines. The controversy concerns the role of early skin care in prevention, given conflicting trial results.
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Sources
- Weidinger S and Novak N — Atopic dermatitis, Lancet (2016)