Psoriasis can affect the nails, scalp, skin and joints. Psoriasis can start at any age. When psoriasis involves the nails it usually causes pits in the nails as shown below. In psoriasis, areas of the skin grow much faster than normal and form red, scaling patches. The scalp, elbows, and knees are the most common sites for psoriasis, however any part of the skin may become involved.
Psoriasis is a problem only because it itches and is unsightly.
It is not contagious. If the skin is traumatized, psoriasis can form in the affected area. Psoriasis Treatment Products Treatment is temporarily effective, and may need to be continued for quite a while. There is no magic cure for psoriasis. If you have psoriasis of the scalp , it helps to wash your hair often.