Have you ever been confused between skin diseases such as psoriasis and eczema? Psoriasis and eczema are two skin diseases with many similarities and also many differences. Symptoms of both include itching, rashes, redness, and so on.
Understanding their differences will help you identify their symptoms and know when to consult your dermatologist. Here are the differences between them:
What Are Psoriasis and Eczema?
Psoriasis:
Psoriasis is an autoimmune medical condition. In this condition, the body’s immune system starts attacking its own cells and speeds up cell production instead of shedding. This results in thick patches or plaques, usually covered with silver-white scales.
Eczema:
Eczema is an inflammatory skin disorder in which the skin reduces its barrier function and becomes more sensitive. It makes the skin more sensitive and prone to reacting easily. It is generally caused by genetic factors and often develops severe itching, increased redness, scaling, and cracking.
Differences between Psoriasis & Eczema
Here are some key factors mentioned below that can highlight the differences between psoriasis and eczema.
|
Key Factor |
Psoriasis |
Eczema |
|
Primary Causes |
Inflammation of the immune system |
Impaired skin barrier and immune reaction. |
|
Skin appearance |
Raised, thick patches with sharp borders and scales |
Dry, irritated, inflamed, or even weeping skin. |
|
Skin flakes |
Usually thicker and silver-white |
Often dry, scaly, or crusty. |
|
Skin irritation |
Can be itchy but with different intensity |
Typically very itchy. |
|
Common areas |
Elbows, knees, scalp, and lower back |
Face, hands, neck, and skin folds. |
|
Skin condition |
Thickened plaques may form |
Dry, sensitive, and irritated skin. |
|
Common triggers |
Causes may include stress, infections, damage to the skin, some medications, and other causes. |
Triggers may include irritants, allergens, dry weather, heat, stress, and others. |
|
Transmissible? |
No |
No |
|
Duration |
Frequently chronic, with episodes of relapse and remission |
Frequently intermittent, with episodes of relapse and remission. |
|
Joint problems |
May be present in psoriatic arthritis |
Not a common feature. |
|
Starting age |
Can arise at any age |
Usually develops in childhood, though may arise at any age. |
Note: By looking alone, it can be hard to tell psoriasis apart from eczema. People can even have aspects of both problems, so a dermatologist might have to look at their skin to diagnose which one it is.
Symptoms of Psoriasis vs. Eczema
Although both issues affect the skin, many symptoms can overlap and differ. Here, I am giving you both the symptoms that are commonly found in both and some symptoms that are different from each other.
Common symptoms for both:
- Itching: Itching is present in both conditions, more intensely, especially during the night.
- Dry skin: Dry and scaly skin is characteristic of both diseases.
- Discoloration: Patches become inflamed and turn red or pink on light skin and purplish, brown, gray, or ashen on dark skin.
- Inflamed skin: Both diseases belong to inflammatory conditions that cause swelling, roughening, or thickening of patches.
- Skin cracks: The skin can crack and bleed, especially with scratching.
- Pain & burning: Can occur in conjunction with the itch for both diseases.
Symptoms that are found differently in Psoriasis and Eczema
Here are some symptoms mentioned below that are common in both skin disorders.
|
Psoriasis |
Eczema |
|
Thick, raised skin patches |
Very strong itching |
|
White or silver scales on the skin |
Small fluid-filled blisters |
|
Often appears on elbows, knees, scalp, or lower back |
Often appears on hands, face, or skin folds |
|
Small, drop-like spots on the skin |
Skin may ooze or form crusts |
|
Tiny dents in the nails |
Skin may become thick from frequent scratching |
|
Nails may become thick or lift from the skin |
Skin can become sensitive to soaps and other products |
|
Smooth, shiny red patches in skin folds |
Skin may become darker or lighter after flare-ups |
|
Joint pain or stiffness in some people |
More visible skin lines from repeated scratching |
Risk Factors for Both
Psoriasis and eczema have different underlying mechanisms, but several factors can increase the likelihood of developing or worsening symptoms.
Risk Factors for Psoriasis
- Family history of psoriasis
- Immune-system dysfunction
- Stress
- Certain infections
- Skin injuries
- Smoking
- Alcohol consumption
- Obesity
- Certain medications
Risk Factors for Eczema
- Genetic reasons
- A weakened skin barrier
- Allergies or asthma
- Exposure to soaps, detergents, or other irritants
- Dry or cold weather
- Excessive heat and sweating
- Stress
- Certain fabrics or personal-care products
By knowing these risk factors, you can stop developing the skin issue.
Treatments for psoriasis and eczema:
There are some major treatment methods mentioned below that can be advised by your dermatologist when you visit them, depending on how severe the skin condition is.
Psoriasis Treatment
1. External Therapy
Applying creams, ointments, or lotions (such as corticosteroids and vitamin D analogues) for inflammation and scaling.
2. Phototherapy
Treating through exposure to UV light for skin issues.
3. Oral or Injectable Drugs
Oral medicines for psoriasis, or biological drugs for moderate or severe cases.
4. Lifestyle and Skin Care
Regular moisturization, managing stress, maintaining healthy body weight, quitting smoking, and limiting alcohol intake.
Eczema Treatment
1. Applying Moisturizers
Frequent use of fragrance-free moisturizers to repair the skin barrier.
2. Skin-Applied Medication
Using corticosteroids and other anti-inflammatory drugs during flare-up periods.
3. Avoid triggering things
Avoid using harsh chemical soaps, fragrances, particular clothing materials, and allergens.
4. Additional options
Light therapy or oral/topical medicines for moderate to severe cases when topical medicines don't work.
Conclusion
Some of the symptoms that are usually seen in psoriasis and eczema include redness, dryness, inflammation, and itching; however, psoriasis and eczema are not the same disorders.
The plaques in psoriasis are thick and well-defined, whereas the skin in eczema is usually dry and highly sensitive.
The right treatment depends on the particular condition. Seek the help of a dermatologist if you have persistent itching, flaking, redness, or flare-ups.
