Topics: Psoriasis, Immune system, Infection Pages: 4 (1024 words) Published: March 23, 2012
What is Psoriasis?

Psoriasis is an autoimmune disease that appears on the skin. It occurs when the immune system mistakes the skin cells as pathogens and sends out wrong signals that speeds up the process of growth cycle of skin cells.

Where is Psoriasis found?
Common areas to find psoriasis is usually on the scalp, behind the ears, elbows, belly button, gentiles, knees, nails and toenails, but does not exclude other areas of the body; Psoriasis can appear body-wide.

Psoriasis symptoms can vary from person to person but can include one or more of the following symptoms. Red patches of skin covered with silvery scales, small scaling spots, dry cracked skin that may bleed, itching, burning or soreness, thickened, pitted or ridged nails, swollen and stiff joints, nail changes and severe dandruff on the scalp.

There are five types of psoriasis:
Plaque (fig.1), 2. Guttate (fig.2),
Inverse (fig.3), 4. Pustular (fig.4),
5. Erythrodermic (fig.5)


Plaque psoriasis appears as thick red patches of skin covered by flaky silver, white scales.(fig.1) About 80 percent of people living with psoriasis have Plaque, which is also called “Plaque Vulgaris.” The most common areas to find plaques are the elbows, knees, lower back, and scalp.



Guttate psoriasis appears as small,
pink-red spots. (fig.2)


Skin redness and irritation occurs under the breasts, armpits, buttocks, groin area and in between overlapping skin. Anywhere which is likely to rub against each other and sweat, which irritates the skin more.(fig.3) (fig.3)


White blisters which are filled with pus and surrounded by red, irritated skin. (fig.4)


The skin redness is very intense and covers a large area. Erythrodermic psoriasis is considered the most intense and covers the most area. (fig.5) (fig.5)

Nail Psoriasis

Psoriasis can also affect the nails. About 5o percent of...
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