Causes & Risk Factors
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Genetic predisposition: Mutations in the filaggrin gene can weaken the skin barrier.
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Immune system dysregulation: Overactive immune responses trigger inflammation.
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Environmental factors: Allergens, irritants (soaps, detergents), temperature changes, and stress can trigger flare-ups.
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Skin barrier defects: Leads to dryness and increased susceptibility to irritants and allergens.
Symptoms
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Itching: Often intense and persistent.
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Red, inflamed skin: Can appear on cheeks, scalp, hands, arms, legs, or body folds.
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Dry, scaly, or thickened skin (lichenification) in chronic cases.
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Blisters, oozing, or crusting in acute flare-ups.
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Darkened skin (hyperpigmentation) or skin discoloration in chronic areas.
Common Triggers
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Harsh soaps, detergents, or fragrances
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Allergens (dust mites, pollen, pet dander)
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Stress or hormonal changes
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Extreme temperatures or sweating
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Certain foods (especially in children: eggs, milk, nuts)
Management & Treatment
1. Skin care
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Moisturizers: Apply frequently to maintain skin barrier (ointment > cream > lotion).
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Gentle cleansers: Fragrance-free, non-soap cleansers.
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Bathing: Short, lukewarm baths followed by immediate moisturization.
2. Anti-inflammatory therapy
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Topical corticosteroids: For flare-ups (low to high potency depending on location/severity).
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Topical calcineurin inhibitors: Tacrolimus or pimecrolimus for sensitive areas (face, skin folds).
3. Symptom relief
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Antihistamines: For severe itch, especially at night (sedating antihistamines may help).
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Wet wraps: Can soothe inflamed areas and increase absorption of medications.
4. Avoid triggers
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Identify and minimize contact with irritants or allergens.
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Maintain a consistent skin care routine.
5. Severe cases
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Systemic treatments: Oral corticosteroids, biologics (e.g., dupilumab), or immunosuppressants may be considered under specialist care.
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Phototherapy: Ultraviolet light therapy for chronic resistant AD.
Prognosis
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Many children improve with age, but some may continue to experience symptoms into adulthood.
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Chronic scratching can lead to infections (commonly Staphylococcus aureus) and permanent skin changes.
Key Points
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Atopic dermatitis is chronic and relapsing.
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Moisturizing and avoiding triggers are the foundation of management.
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Medical therapy focuses on reducing inflammation and controlling itch.
If you want, I can also provide a step-by-step daily care routine specifically for atopic dermatitis that helps minimize flare-ups.
