Seborrheic Dermatitis vs Psoriasis

Seborrheic Dermatitis is extremely common in babies, the opposite is true of scalp psoriasis. Infant psoriasis is considered a rare condition. In fact, it tends to affect people between the ages of 15 and 35 far more than those under the age of 10.

Seborrheic Dermatitis vs Psoriasis
Seborrheic Dermatitis vs Psoriasis - Happy Cappy

It’s easy to understand why adults could confuse the two.  Both skin conditions affect the scalp and can cause red, scaly skin.  One of the major differences between seborrheic dermatitis and scalp psoriasis is in their appearance. Scalp psoriasis appears powdery and has a silver sheen, whereas seborrheic dermatitis is more likely to appear yellow and greasy.  The scales of psoriasis tend to be thicker and drier in appearance than the scales of seborrheic dermatitis.

A doctor can determine which skin condition is causing your symptoms with an examination of the scalp, skin and nails. Psoriasis tends to be more difficult to treat than Seborrheic Dermatitis and comes with its own unique set of dietary, medical and environmental triggers.  So the approach to managing psoriasis will be different than with Seborrheic Dermatitis.  Happy Cappy presents a safe and soothing cradle cap shampoo and body wash that is effective and contains no harmful ingredients.


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Dr. Eddie Valenzuela is an award winning pediatrician and the founder and CEO of Pediatric Solutions, LLC.

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Is seborrheic dermatitis psoriasis?

Both conditions may appear as red, scaly patches with itch, but they have different underlying causes and distribution on the body. Overactive sebaceous glands cause seborrheic dermatitis, while psoriasis is a chronic autoimmune disorder.

How is psoriasis diagnosed?

To diagnose psoriasis, your healthcare provider will first examine the affected skin, nails, and scalp. They will inquire about your medical history and family history of psoriasis. In some cases, they may perform a skin biopsy if there is still a doubt.

What is another name for seborrheic dermatitis?

Some other common names for seborrheic dermatitis are dandruff, cradle cap, seborrheic eczema, and Seborrhea.

Is seborrheic dermatitis permanent?

Seborrheic dermatitis is a chronic condition that may come and go and sometimes throughout the lifetime. It can not be completely cured but effectively managed through proper care and treatment.

Can you have seborrheic dermatitis and psoriasis at the same time?

Yes, one can have seborrheic dermatitis and psoriasis at the same time.

Is the treatment for psoriasis and seborrheic dermatitis the same?

The initial treatment for both conditions is the same, which is the use of medicated shampoo. The rest of the treatment is different as the underlying cause for each condition is different. So, the healthcare provider will provide you with a treatment plan that best suits your condition.

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