Distinctiveness between Scalp Eczema and Psoriasis: Visual Comparisons, Key Differences, and Remedies
While there is no cure for either scalp eczema or psoriasis, treatments can help manage symptoms effectively. This article aims to provide a clear understanding of these conditions, their differences, and potential management strategies.
Scalp Eczema (Atopic Dermatitis)
Scalp eczema, also known as atopic dermatitis, is a common skin condition that typically presents in infants and children, although it can also affect adults. It is often associated with a history of allergies or atopic conditions. The condition manifests as dry, scaly skin with red patches on lighter skin or gray patches on darker skin. The itching can be intense, often severe enough to disrupt sleep.
Scalp Psoriasis
Scalp psoriasis, on the other hand, is a chronic autoimmune condition that can occur at any age but commonly appears in adulthood. It affects about 85-90% of people with psoriasis in its plaque form. The condition presents as thick, well-defined, raised plaques covered with silvery-white scales. The itching in psoriasis can be less intense than in eczema but can also cause a burning or stinging sensation, described as a feeling like insect bites.
Differences Between Scalp Eczema and Scalp Psoriasis
While both conditions can cause a dry, itchy skin rash, there are significant differences between them. In terms of prevalence and age of onset, scalp eczema often begins in infancy or childhood but can persist or start in adulthood, while scalp psoriasis is a chronic autoimmune condition that can occur at any age but commonly appears in adulthood.
In terms of appearance, scalp eczema shows as red, itchy, dry, and sometimes weeping or crusted patches. The skin may be scaly but tends to be less thickened than in psoriasis and can crack or ooze in severe cases. Scalp psoriasis, on the other hand, presents as thicker, well-defined, raised plaques covered with silvery-white scales.
In terms of itching sensation, eczema generally causes intense itching, often severe enough to interrupt sleep, while psoriasis may itch as well but can also cause a burning or stinging sensation, which is described as a feeling like insect bites.
Diagnosis and Management
Accurate diagnosis by a healthcare professional is crucial to recommend the correct treatments for both conditions. When diagnosing scalp eczema, a healthcare professional may follow similar steps, including examining the scalp, asking a person a series of questions about the symptoms, taking a full medical history, and testing for the presence of a fungal or bacterial infection and any allergies.
For scalp psoriasis, a healthcare professional may examine the scalp, ask a person a series of questions about the symptoms, take a full medical history, and take a skin sample for laboratory analysis.
Treatments for scalp eczema can include emollient cream, sunflower oil, coconut oil, salicylic acid and tar treatments to manage thick scales, topical steroids, oral or topical antibiotics if scalp eczema becomes infected, and soothing or medicated shampoos.
Treatments for psoriasis can include topical steroids, tar products, phototherapy, medications such as biologics and immunosuppressants.
Lifestyle Management
Lifestyle changes a person can make to help manage the symptoms of both conditions include managing stress, maintaining a moderate weight, keeping the scalp well-moisturized, making dietary changes, such as following the Mediterranean diet, with a doctor's guidance, avoiding known triggers, and avoiding the use of harsh chemicals, perfumes, detergents, and skin care products.
[1] National Psoriasis Foundation. (n.d.). Scalp psoriasis. https://www.psoriasis.org/what-is-psoriasis/types-of-psoriasis/scalp-psoriasis
[2] American Academy of Dermatology. (2021). Atopic dermatitis (eczema). https://www.aad.org/public/diseases/eczema/atopic-dermatitis
[3] Mayo Clinic. (2021). Psoriasis. https://www.mayoclinic.org/diseases-conditions/psoriasis/symptoms-causes/syc-20369967
[4] National Eczema Association. (2021). Scalp eczema. https://nationaleczema.org/eczema/scalp-eczema/
[5] Cleveland Clinic. (2021). Psoriasis: Symptoms and causes. https://my.clevelandclinic.org/health/diseases/16652-psoriasis/symptoms-and-causes
- Scalp eczema is diagnosed through examining the scalp, asking questions about symptoms, taking a medical history, and testing for infections or allergies.
- Scalp psoriasis is diagnosed through examining the scalp, asking questions about symptoms, taking a medical history, and taking a skin sample for laboratory analysis.
- Treatments for scalp eczema include emollient cream, sunflower oil, tar treatments, topical steroids, oral or topical antibiotics, and medicated shampoos.
- Treatments for psoriasis include topical steroids, tar products, phototherapy, medications such as biologics and immunosuppressants.
- Lifestyle changes to manage scalp eczema and psoriasis symptoms include managing stress, maintaining a moderate weight, keeping the scalp well-moisturized, making dietary changes, avoiding known triggers, and avoiding harsh chemicals and skin care products.
