Eczema vs. Psoriasis: Visual Differences and Treatment
Eczema (atopic dermatitis) is driven by skin barrier dysfunction and immune hypersensitivity, while psoriasis is an autoimmune condition causing rapid skin cell turnover. Though they look similar to the untrained eye, their underlying mechanisms, typical locations, and treatments differ substantially.
Key Differences at a Glance
Shared Symptoms
- Red, inflamed skin
- Itching
- Dry skin
- Flare-and-remission cycle
Unique Indicators
- Weeping or oozing lesions
- Strong association with allergies and asthma
- Flexural distribution
- Thick silvery scales
- Nail pitting and changes
- Joint pain (psoriatic arthritis)
- Koebner phenomenon
Professional Diagnosis
Both are typically diagnosed by clinical examination. Skin biopsy may be performed in ambiguous cases. Psoriasis shows characteristic epidermal thickening and neutrophil infiltration on histology.
Treatment for Eczema
Emollients for barrier repair, topical corticosteroids, calcineurin inhibitors (tacrolimus), trigger avoidance, and biologics (dupilumab) for severe cases.
Treatment for Psoriasis
Topical corticosteroids, vitamin D analogues (calcipotriol), phototherapy, systemic medications (methotrexate), and biologics (TNF inhibitors, IL-17 inhibitors) for moderate-to-severe disease.
When to See a Doctor
See a dermatologist if skin symptoms are widespread, not responding to OTC treatments, affecting sleep or quality of life, or if you develop joint pain alongside skin changes.
Not sure which one you have?
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Medically Reviewed for Accuracy
Content is aligned with established clinical guidelines from authoritative medical institutions, including MedlinePlus (U.S. National Library of Medicine), the CDC, the NIH, and the NHS. All content is reviewed by our medical advisory board for accuracy and safety.