Psoriasis
Psoriasis is an autoimmune inflammatory skin disease in which the skincells proliferate profusely. It ischaracterized by red, flaky patches on the skin.
It is a chronic condition in which skin cells reproduce 10 time fasterthan normal for reasons unclear, it is caused by an overactive immune system.
CAUSES
Psoriasis is one of the most persistent skindisorder causes cells to build up rapidly on the surface of the skin. The extraskin cells from thick, silvery scales and re typically red, itchy and scaly.Psoriasis typically occurs on the knees, elbows and scarp and it can alsoaffect the torso, palms, and soles of the feets.
Even though it affects your skin, psoriasis beginsdeep inside your body in your immune system. It comes from your T cells, a typeof white blood cell are designed to protect the body from infection anddisease. When these cells mistakenly become active and set off other immuneresponses, it can lead to psoriasis symptoms.
PATHOPHYSIOLOGY
The rate of formation of the skin cells is forhigher than normal. Due to this increased rate of formation of skin cells, theimmature cells keep getting pushed on to the surface of the skin. That is whythe skin cells are large, whitis flakes like that of dandruft. What are the symptoms of psoriasis:
The inflammation of the skin causes redness anditching red patches of skin covered with silvery scales – small scaling spots,common in children. Dry cracked skinthat may bleed. Itching, burning or soreness, thickened, pitted or ridgednails, swollen and stiff joints. Psoriasis is a persistent, long lasting(chronic) disease.