Scalp psoriasis is a chronic and relapsing inflammatory dermatosis. This means that it is a lifelong disease, which can get worse and better over time.
It is characterized by the presence of delimited erythematous plaques with white scaling. These plaques are usually located in the flexor areas of the limbs and on the scalp. Now what is causing this problem? Can it be treated?
Causes of psoriasis on the scalp
Psoriasis is considered a disease of great clinical variability, since it depends on the combination of different factors. In the words of the experts:
Genetic and immune factors
There are studies that show the prevalence of psoriasis in relatives of those affected. However, the development of cellular immunology indicates the involvement of leukocytes in the pathogenesis of the disease.
Environmental factors
There are several factors that are related to the onset or flare, particularly in genetically predisposed people. These include:
Emotional stress
Low ambient humidity.
Consumption of certain drugs.
Smoking and obesity.
Likewise, any skin irritation can lead to psoriatic lesions. Stimulation such as scratching or pressure from clothing can cause or aggravate existing injuries.
Drugs
As for the drugs that can trigger or aggravate psoriasis are lithium salts, beta-blockers, antimalarials and the abrupt suspension of corticosteroid treatments.
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