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Quels sont les dangers du psoriasis ?

Is psoriasis dangerous?

Psoriasis, a skin disease that can occur at any age, affects not only the body but also the scalp. In most cases, it manifests as red patches of varying sizes. Psoriasis is a disease that progresses over time and can lead to complications if not properly managed. In this article, we will explore the potential dangers associated with this disease.

Published February 19, 2024, by Manon, Scientific Editor — 4 min read

Psoriasis: Is it serious?

The psoriasis is a skin disease that is identified by red, scaly patches that cover specific parts of the body. These can cause itching and irritation, with the intensity varying from one individual to another. They appear as a result of skin inflammation caused by a malfunction of the immune system.

T lymphocytes produce inflammatory molecules (cytokines IL-17, IL-22, TNF-α, etc.), which stimulate the proliferation of keratinocytes. The renewal period of these cells, normally four weeks, then shortens to three days. The skin symptoms of psoriasis can affect any area of the body, from the ears to the tongue, including the genital areas, leading to various clinical forms.

Generally speaking, except for certain forms, psoriasis is not dangerous and does not put the patient's life at risk. It is also not contagious, even though it can spread across the body. However, the erythrodermic psoriasis, which is a rare form of psoriasis, requires hospitalization for treatment, as it is often accompanied by severe side effects such as dehydration, heart failure, etc.

Some advice to prevent the dangers of psoriasis.

Psoriasis can lead to certain complications, such as skin infections or even generalized inflammation. These complications can be avoided by adopting certain daily habits.

  • Avoid scratching the lesions.

    It is strongly advised against scratching psoriasis lesions, as this can lead to additional irritation and cause itching. Moreover, when one scratches there is a significant risk of opening the skin lesions and creating an entry point for bacteria that could infect the lesions. To soothe the itching, it is recommended to use moisturizing creams, oils, or even essential oils that have anti-inflammatory properties.

  • Use appropriate skincare products.

    To hydrate and protect your skin against the risks of infection and external aggressions, it is recommended to apply a emollient care daily. These products are rich and form a protective barrier on the skin's surface, similar to the natural hydrolipidic film, to prevent dehydration and limit the penetration of pathogens or allergens. It is also recommended to choose fragrance-free care, as these can further irritate the skin.

  • Consult a dermatologist.

    It is crucial not to hesitate to consult a healthcare professional if you notice a change in the appearance of your lesions or a spread of your psoriasis. By consulting a specialist, you can determine if your psoriasis is worsening and, if necessary, obtain appropriate treatment. It is best to manage your psoriasis from the first signs, as this can reduce the impact of potential long-term complications.


  • BOYD A. S. & al. Erythrodermic psoriasis. Clinical Review (1989).

  • SAURAT J. & al. Psoriasis. Dermatologie et Infections Sexuellement Transmissibles (2016).


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