Plaque Psoriasis: Plaque psoriasis is the most prevalent form of this disorder, and is characterized by raised, inflamed, scaly lesions. The scales are formed by dead skin cells, while the inflammation is a result of the increased blood supply to the areas of rapid skin cell reproduction. Raised and thickened patches of reddish skin, called “plaques,” which are covered by silvery-white scales. Plaques most often appear on the elbows, knees, scalp, chest, and lower back. However, they can appear anywhere on the body, including the genitals.
Plaques vary in size and can appear as distinct patches or join together to cover a large area. In the early stages, the psoriasis may be unnoticeable. The skin may itch and/or a burning sensation may be present. Plaque psoriasis usually first appears as small red bumps. Bumps gradually enlarge, and scales form. While the top scales flake off easily and often, scales below the surface stick together. The small red bumps develop into plaques (reddish areas of raised and thickened skin).
Skin discomfort. The skin is dry and may be painful. Skin can itch, burn, bleed, and crack. In severe cases, the discomfort can make it difficult to sleep and focus on everyday activities. Pustular Psoriasis: Pustular psoriasis is characterized by pustules ( Blisters ) on the skin. This type of Psoriasis has three distinct phases reddening of the skin, formation of pustules and Scaling of the skin. The Blisters are caused by an infection, nor are they contagious