Psoriasis is a persistent, inflammatory condition of the skin. It is not contagious, but it is a hereditary condition that can be passed on from generation to generation. While the exact cause of this skin condition is unknown, it is believed to be an immune system disorder of over-active T-cells. Triggers usually cause psoriasis to appear or flare: these include injury to the skin (such as a cut, scrape, sunburn), cold, dry weather, infections, and certain medications.
There are five main types of psoriasis:
Psoriasis cannot be cured, but it can be effectively treated and controlled. There are a number of treatment methods including the use of: