Eczema Or Psoriasis: Which Skin Condition Do You Have?
February 2025
Dr Koh Hong Yi
Senior Consultant Dermatologist
MBBS (Singapore), MRCP (UK), MMed (Internal Medicine), FAMS (Dermatology)Skin conditions like eczema and psoriasis can significantly impact a person’s quality of life. While both conditions cause inflammation, irritation, and discomfort, they have distinct characteristics that set them apart. Understanding these differences is crucial for effective management and treatment. If you’re seeking professional care, consulting a healthcare professional can provide tailored guidance based on your skin concerns and individual needs.
Similarities Between Eczema and Psoriasis
Eczema and psoriasis share several common traits:
- Chronic conditions: Both are long-term skin disorders that require ongoing management.
- Inflammatory nature: They involve immune system dysfunction, leading to skin inflammation.
- Triggers: Stress, environmental factors, and allergens can exacerbate symptoms.
- Itchy and irritated skin: Both conditions cause discomfort, including itch, pain and soreness of the skin, though eczema tends to be itchier.
- Disruption to well-being: If not well-controlled, both eczema and psoriasis can cause significant burden on one’s physical and emotional wellness.
Key Differences Between Eczema and Psoriasis
| Feature | Eczema | Psoriasis |
|---|---|---|
| Cause | Linked to genetics, allergens and environmental factors. | Auto-inflammatory disorder with genetic background and environmental triggers, giving rise to rapid skin cell turnover. |
| Appearance |
|
|
| Location | Common in skin folds (front of elbows, back of knees, neck) and face. | Often appears on outer surfaces of limbs (back of elbows, front of knees), scalp, lower back, buttocks and belly-button. |
| Symptoms |
|
|
| Triggers |
|
|
| Age of Onset |
| Can develop at any age, but commonly between 20–30 and 50–60 years. |
| How Common is the Condition | Affects 10–25% of world’s population. Around 1 in 5 children and 1 in 10 adults in Singapore have eczema. | Affects 1–2% of global population. More than 40,000 Singapore residents have psoriasis. |
Cause
Appearance
- Red, inflamed, dry and scaly patches.
- Often associated with signs of scratching.
- Acute eczema may display weepiness and blisters.
Location
Symptoms
- Intense itching that leads to scratching, disrupted sleep.
- Very dry skin may cause painful fissures.
Triggers
- Contact with irritants and allergens including dust mites, animal dander, air pollutants, fragrances.
- Heat and sweat
- Hormonal changes
- Stress
Age of Onset
- Often starts in infancy or childhood.
- Adult-onset eczema is an increasing phenomenon and reported in 40% of eczema sufferers in Singapore.
How Common is the Condition
Cause
Appearance
- Thick, raised patches with slivery scales.
- Patches over have well-defined borders.
- "Unstable" psoriasis may have pustules (tiny pus-filled blisters).
Location
Symptoms
- Itch is variable, ranging from none to severe.
- Some may experience stinging or burming sensations.
Triggers
- Skin injuries such as mechanical injury or sunburn (Koebner phenomenon).
- Infections (e.g. Streptococcal throat infection)
- Hormonal changes
- Stress
Age of Onset
How Common is the Condition
Common Misconceptions About Eczema and Psoriasis
There are several myths surrounding eczema and psoriasis that continue to confuse the public and delay proper treatment:
1. “Eczema and Psoriasis are Contagious”
Neither eczema nor psoriasis is contagious. Both conditions arise from genetic factors, immune dysfunction, and environmental triggers.
2. “Only Poor Hygiene Causes These Conditions”
Genetics and environmental factors play a significant role, not hygiene.
3. “It’s ‘Just’ Dry Skin”
Eczema is often mislabeled as “just dry skin.” In reality, it involves inflammation and a weakened skin barrier that necessitates targeted treatments beyond mere hydration. Similarly, psoriasis is more than a cosmetic concern – it’s a systemic inflammatory disease that can lead to complications like psoriatic arthritis and even cardiovascular issues.
4. Eczema and Psoriasis Go Away in Time
Both conditions are chronic, meaning they persist over time and require ongoing management rather than a one-time cure.
Basic Tips for Managing Eczema and Psoriasis
Eczema Treatment in Singapore
For those struggling with eczema, specialists recommend:
- Moisturising regularly: Hydrating the skin helps prevent dryness and irritation.
- Avoiding triggers: Identifying allergens and irritants can reduce flare-ups.
- Using gentle skincare products: Fragrance-free and hypoallergenic products are best.
- Seeking medical advice: A dermatologist can prescribe topical treatments or advanced therapies such as biologics (e.g Dupilumab) for patients with moderate to severe eczema.
Psoriasis Care Strategies
Managing psoriasis involves:
- Using medicated creams: Topical corticosteroids and vitamin D analogues help reduce inflammation.
- Focus on stress management: Learn coping strategies to deal with the stresses of life. Mindfulness and meditation have been shown to improve psoriasis symptoms and quality of life3.
- Maintaining a healthy lifestyle: A balanced diet and regular exercise can improve symptoms and reduce the risk of cardiovascular diseases that are more prevalent in people with psoriasis.
- Consulting a specialist: A qualified skin specialist in Singapore can recommend personalised treatment plans, including selecting from available biological therapies that have demonstrated potential in helping psoriasis patients achieve clear or almost-clear skin.
Importance of Professional Medical Guidance in Managing Eczema or Psoriasis
Working with a qualified healthcare professional is important for the long-term management of eczema and psoriasis. These conditions can sometimes appear similar to other skin concerns, making an accurate assessment essential for determining the most appropriate care approach. A personalised treatment plan can help address your specific symptoms, triggers, and lifestyle factors. Regular consultations enable:
- Accurate diagnosis: A proper assessment can help differentiate between eczema, psoriasis, and other skin conditions, ensuring that treatment is suited to your specific condition.
- Access to advanced treatments: Depending on the severity and type of condition, treatment options may include topical medications, biologic therapies, phototherapy, and other approaches tailored to your needs.
- Long-term monitoring: Chronic skin conditions often require ongoing management. Regular reviews allow treatment plans to be adjusted based on changes in symptoms, treatment response, and overall skin health.
- Holistic care: Managing eczema and psoriasis involves more than addressing physical symptoms. Guidance on lifestyle adjustments, trigger management, and emotional wellbeing can support a more comprehensive approach to care.
- Preventive strategies: Routine assessments can help identify potential complications early and ensure that management strategies continue to align with changes in your condition.
By receiving ongoing medical guidance, patients can access care that is adapted to their condition and focused on maintaining skin health and quality of life. A personalised approach can help address the physical and emotional challenges associated with long-term skin conditions.
Conclusion
Although eczema and psoriasis share many similarities, their underlying causes, symptom profiles, and triggers differ significantly. A comprehensive management plan – including proper diagnosis, targeted treatment, lifestyle modifications, and regular follow-up – is key to maintaining quality of life. By understanding these differences, patients can receive the personalised care needed to effectively control their condition and navigate the challenges of living with a chronic skin disorder.
If you’re looking for dermatological care, TSN Dermatology offers comprehensive treatment options for eczema, psoriasis, and other skin conditions. Book a consultation today to receive personalised care tailored to your skin health needs.
References
- Vinding, G. R., Knudsen, K. M., Ellervik, C., Olesen, A. B., & Jemec, G. B. (2014). Self-reported skin morbidities and health-related quality of life: a population-based nested case-control study. Dermatology (Basel, Switzerland), 228(3), 261–268. https://doi.org/10.1159/000358009
- Cheok, S., Yee, F., Song Ma, J. Y., Leow, R., Ho, M. S. L., Yew, Y. W., Tay, Y. K., Rebello, S. A., Luo, N., & Koh, M. J. A. (2018). Prevalence and descriptive epidemiology of atopic dermatitis and its impact on quality of life in Singapore. The British journal of dermatology, 178(1), 276–277. https://doi.org/10.1111/bjd.15587
- Bartholomew, E., Chung, M., Yeroushalmi, S., Hakimi, M., Bhutani, T., & Liao, W. (2022). Mindfulness and Meditation for Psoriasis: A Systematic Review. Dermatology and therapy, 12(10), 2273–2283. https://doi.org/10.1007/s13555-022-00802-1
Meet Our Doctor
MBBS, MRCP (UK), M.Med (Internal Medicine), FAMS (Dermatology)
Dr Koh Hong Yi has over 20 years of clinical experience spanning Singapore and the United Kingdom. He previously served at Singapore General Hospital and was involved in medical teaching at Duke-NUS Medical School. He believes in a personalised and thoughtful approach to care, taking the time to understand each patient’s concerns and recommend treatment tailored to their needs.
More About Dr Koh