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Psoriasis - symptoms, causes & therapeutic approaches

Psoriasis - causes, symptoms and natural treatment options. Psoriasis is a chronic, inflammatory skin disease characterised by an accelerated proliferation of skin cells.

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Things worth knowing about "Psoriasis"

Psoriasis is a chronic, inflammatory skin disease characterised by an accelerated proliferation of skin cells.

Dandruff results from an accelerated proliferation of skin cells. This rapid cell division leads to an accumulation of skin cells on the surface, which become visible as scaly, reddened patches. These patches can be itchy, painful and inflamed. Psoriasis usually affects the skin, but can also affect nails and joints, which can lead to another form of the disease, psoriatic arthritis.

The exact causes of psoriasis are not yet fully understood, but it is assumed that a genetic predisposition and the immune system play a central role. The immune system mistakenly attacks healthy skin cells, which leads to inflammation, which in turn results in accelerated cell division. These excess cells can then accumulate on the surface of the skin and lead to the typical scaly patches.

There are various forms of psoriasis, the most common of which is plaque psoriasis. It is characterised by red, raised patches with silvery-white scales. Other forms are pustular psoriasis, which is accompanied by pustules, and psoriasis of the nails, in which the nails are affected. psoriasis can be triggered or aggravated by various factors. The most common triggers include stress, as emotional stress can worsen the course of the disease, as well as infections, particularly throat infections caused by streptococcal bacteria, which can activate psoriasis. Skin injuries such as cuts, scratches or sunburn also favour the formation of new skin patches, the so-called Köbner syndrome. Certain medications such as beta blockers, lithium or non-steroidal anti-inflammatory drugs can also exacerbate the condition. In addition, weather conditions, especially cold temperatures and dry air, can dry out the skin and favour flare-ups.

Some vitamins and minerals can help to improve the course of psoriasis or support the healing process. Vitamin D plays an important role in skin health and is often used to treat psoriasis. Omega-3 fatty acids have anti-inflammatory properties and can alleviate symptoms. Zinc and Vitamin E also contribute to skin health and can support the healing of psoriasis lesions.

Symptoms

The typical signs of psoriasis are:

Scaly, reddened areas of skin with a silver-white coating (especially on elbows, knees, scalp, sacrum)
Itching, burning or tightness
Nail changes (stippled nails, brittle or thickened nails)
Infrequent progression, often triggered by stress, infections, injuries or medication

There are different forms of psoriasis:

Psoriasis vulgaris (most common form)
Psoriasis capitis (scalp)
Psoriasis inversa (in skin folds)
Psoriasis pustulosa (with pustules)
Psoriatic arthritis (with joint involvement - see separate article)

Causes and risk factors

Psoriasis is autoimmune and not contagious. The triggers and risk factors include:

Genetic predisposition
Infections (especially streptococci in children)
Stress, skin injuries (Köbner phenomenon)
Medication (e.g. beta blockers, lithium, NSAIDs)
Alcohol, nicotine, overweight

Treatment

The aim of the therapy is to relieve inflammation, reduce the reduce itching and improve skin symptoms.

Local therapy:

Corticosteroids
Vitamin D3 analogues (e.g. calcipotriol)
Salicylic acid, tar preparations, urea
Phototherapy (UVB or PUVA)

Systemic therapy (for moderate to severe psoriasis):

Methotrexate, Ciclosporin, Acitretin
Biologicals (e.g. TNF-α, IL-17, IL-23 inhibitors)
PDE-4 inhibitors (e.g. apremilast)

Complementary measures:

Care with moisturising creams
Avoidance of trigger factors
Nutrition (low inflammation, weight-regulating)
Stress management (e.g. meditation, breathing exercises)

Forecast

Psoriasis is not curable, but can often be well controlled with modern therapy. The quality of life can be significantly improved through consistent treatment.

Literature references:

Nestle, F. O. et al (2009). "Psoriasis." New England Journal of Medicine.
German Dermatological Society (2021). "S3 guideline on the treatment of psoriasis vulgaris."
Robert Koch Institute (2023). "Health monitoring - psoriasis."

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