You may have already come across someone with red patches on their arms or scalp, thinking it was just a passing irritation. But if these marks persist, itch, thicken… then it could be much more than just a skin problem. A silent, chronic, and sometimes painful disease may be hiding behind these symptoms. Psoriasis, often misunderstood, can disrupt the daily lives of those who suffer from it. But there is good news: understanding it better also means better control.
What is psoriasis? A disorder from within
Contrary to popular belief, psoriasis is not a contagious disease. It’s an autoimmune condition: this means that the immune system, which is supposed to protect us, goes into overdrive and mistakenly attacks the skin. The result? An excessive production of skin cells, which accumulate on the surface, forming thick, red, and often scaly patches.
The exact cause remains unclear, but it is known that hereditary factors, stress, certain infections, or even sunburn can trigger or worsen flare-ups. And this condition isn’t limited to the skin: nails or joints can also be affected.
Plaque psoriasis: the most common, but not the simplest
Imagine skin that feels like it’s covered in a layer of peeling paint, rough to the touch, and sometimes painful. This is often how plaque psoriasis, the most common form, manifests.
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