Psoriasis is a chronic skin disorder, which originates from Greek word meaning itch. The majority of the patients with psoriasis endures for the extended duration if not treated correctly. The skin becomes inflamed with red eruptions, which itches extensively. Silvery scales that color off scratching cover the red eruptions.
Most commonly affected parts of the body are elbows, knees, scalp, lower back, palms, and soles of the feet. However, it can cover each and every area of the body such as the genital area. It might also impact the finger and toenails.
In a few instances, joint inflammation that produces arthritis symptoms is noted. This condition is called psoriatic arthritis.
Psoriasis is categorized as mild, moderate, or severe, based on the percentage of body surface involved. A special note on scalp psoriasis is cited here as it’s one of the frequent types of psoriasis and in comparison to other variants it’s more challenging to treat.
An individual may present with just scalp psoriasis or skin and scalp psoriasis together. Many time it could be wrongly diagnosed with dandruff and handled for a long time before realizing it to be psoriasis.
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Scalp psoriasis symptoms:
It’s differentiated in mild, moderate and severe categories.
Mild cases: It might be seen as dryness in the scalp and hair with scale formation as dandruff. Mild itching is not there.
The nearest differential diagnosis at this stage is seborrhea dermatitis. In seborrhea the scalp is oily, and the dandruff is quite tacky, like sebum and yellow. Scalp psoriasis is dry, silvery and scaly.
Moderate instances: This phase develops a couple of years after the beginning of psoriasis. The scalp may show single or multiple patches of scales. The scales may be white or silvery, moderately thick. There might be more concentration behind the ears, temples, occipital and parietal areas.