Is itchy and flaky scalp bothering you? Before you jump into the conclusion that it's dandruff, it is important to know the exact cause of your scalp skin to flake off. Scalp psoriasis and seborrheic dermatitis (dandruff) share some similar signs and thus, treating your scalp with unsuitable remedies may worsen the condition. Here are some of the key differences between these conditions:
Seborrheic dermatitis may last for a while and may come back while scalp psoriasis is a chronic condition which may stay for a longer time.
Seborrheic dermatitis appears white and flaky while in scalp psoriasis, along with flaky scalp, there can be thick red and inflamed skin patches. The skin becomes very dry, cracked and sometimes bleeds.
Seborrheic dermatitis does not spread to areas other than the scalp. It may sometimes cause forehead acne and back acne. Psoriasis, on the other hand, can spread to other parts like the forehead, back of your neck & skin around the ears.
Seborrheic dermatitis can be caused due to multiple factors like fungus, hair care products, hormonal levels etc. but scalp psoriasis is an autoimmune disorder which triggers overproduction of skin cells on the scalp. The trigger factors can be stress, extreme temperatures and infectious illnesses.
Coming to the treatment aspect, seborrheic dermatitis is usually treated with medicated shampoos while scalp psoriasis is treated with topical creams, ointments, etc. which contain vitamins and steroids to control the inflammation. Phototherapy using UV light is also recommended in some cases.
The scalp itchiness and flaking can be due to either of the two conditions which we have discussed in detail. If over-the-counter treatments do not work, take an immediate appointment with our dermatologist so that the condition can be examined closely and appropriate medications can be given.
Blog reviewed by: Dr. Priya J Talageri
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