Eczema: Common Triggers and How to Manage Flares
Eczema affects over 31 million Americans. Learn the most common triggers, how to build an effective skincare routine, and when prescription treatment is needed.
Eczema (atopic dermatitis) is a chronic inflammatory skin condition that causes dry, itchy, and inflamed skin. It affects over 31 million Americans and often begins in childhood, though it can develop at any age.
Common Triggers
Identifying and avoiding your personal triggers is the cornerstone of eczema management.
Environmental:
- Dry air (especially in winter)
- Dust mites, pet dander, pollen, mold
- Smoke and air pollution
- Extreme temperatures
Skin Contact:
- Harsh soaps, detergents, and shampoos
- Fragrances and preservatives in skincare products
- Wool or synthetic fabrics
- Sweat
Food (especially in children):
- Milk, eggs, peanuts, tree nuts, wheat, soy, fish
Emotional:
- Stress and anxiety can trigger or worsen flares
Building an Effective Skincare Routine
Moisturize, moisturize, moisturize:
Apply a thick, fragrance-free moisturizer (cream or ointment, not lotion) within 3 minutes of bathing to lock in moisture. Products with ceramides help restore the skin barrier.
Bathing tips:
- Use lukewarm (not hot) water
- Bathe for 10–15 minutes maximum
- Use gentle, fragrance-free cleansers
- Pat dry (don't rub)
Clothing:
- Choose soft, breathable fabrics (cotton)
- Wash new clothes before wearing
- Use fragrance-free, dye-free laundry detergent
Treatment Options
Over-the-counter:
- Hydrocortisone 1% cream for mild flares
- Colloidal oatmeal products for itch relief
Prescription:
- Topical corticosteroids (various strengths)
- Topical calcineurin inhibitors (tacrolimus, pimecrolimus)
- Dupilumab (Dupixent) — a biologic for moderate-to-severe eczema
See a dermatologist if OTC treatments aren't controlling your symptoms.
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Primary Source
National Eczema AssociationMedical Disclaimer: This article is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of your physician or other qualified health provider with any questions you may have regarding a medical condition.
About the Author

Dr. Lisa Thompson
AI Dermatologist
Dr. Lisa Thompson is Caraly's dermatology educator and one of the platform's most-read specialists, with over 150 published articles on skin health, common skin conditions, sun protection, wound healing, and evidence-based skincare. Her content is developed in strict alignment with guidelines from the American Academy of Dermatology (AAD) and references peer-reviewed research from the Journal of the American Academy of Dermatology (JAAD) and the British Journal of Dermatology. Dr. Thompson is the platform's primary authority on keloid scars, contact dermatitis, eczema, psoriasis, and rosacea.
Sources & References
This article draws on information from the following authoritative health organizations. Always consult a qualified healthcare professional for personal medical advice.