10 Psoriasis Triggers and Treatments
- Cold or Dry Weather
- Cuts and Bruises
What Is Psoriasis?
Psoriasis is a common and chronic incurable but treatable skin disorder. Plaque psoriasis is the most common form and appears as elevated plaques of red skin covered with silvery scale that may itch or burn. The involved areas are usually found on the arms, legs, trunk, or scalp but may be found on any part of the skin. The most typical areas are the knees, elbows, and lower back.
Plaque psoriasis on the back. Image courtesy of Hon Pak, MD.
Psoriasis is not contagious but can be inherited. Research indicates that it is associated with a widespread defect in the inflammatory process.
A significant percentage of people with psoriasis also have psoriatic arthritis. Individuals with psoriatic arthritis have a destructive inflammation of their joints as well as other arthritic symptoms. Occasionally psoriasis of one clinical type may evolve into another such as pustular psoriasis, erythrodermic psoriasis, or guttate psoriasis. Clinical types of psoriasis include the following:
Pustular psoriasis. Image courtesy of Hon Pak, MD.
Psoriasis affects children and adults. Men and woman are affected equally.
Psoriasis can affect all races. Studies have shown that more people in western European and Scandinavian populations have psoriasis than those in other population groups.
Medically Reviewed by a Doctor on 9/19/2017
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