This most common type of psoriasis is called plaque psoriasis. Easy Psoriasis Psoriasis is not a contagious skin disorder, most commonly appearing as inflamed swollen skin lesions covered with silvery white scale.
Psoriasis comes in many different variations and degrees of severity.
Select the following link to view photos and descriptions of the different types of psoriasis. Select the following link to view photos and descriptions of the different degrees of severity of psoriasis. No one knows what causes psoriasis, though it is generally accepted that it has a genetic component, and a recent study has established that it is an autoimmune skin disorder. Scientists believe that a person is born genetically predisposed to psoriasis. One in three people report a family history of psoriasis, but there is no pattern of inheritance.