What is psoriasis?
Psoriasis is a chronic disease that affects the skin and joints; and is not contagious. There are five types of psoriasis, the most common of which is plaque. Plaque appears as raised red patches or lesions covered with a silvery build-up of dead skin or scales. Psoriasis frequently occurs on the skin of elbows and knees but can affect any area. Psoriasis can also affect the joints, 10 – 15% of those with psoriasis have this form – psoriatic arthritis.
What causes psoriasis?
The cause of psoriasis is not known, but it is believed to be influenced by genetics, stress, alcohol and smoking.
What are the different types of psoriasis?
There are five different types of psoriasis:
- Plaque: Most common form of the disease
- Guttate: Appears as small red spots on the skin
- Inverse: Occurs in armpits, groin and skin folds
- Pustular: White blisters surrounded by red skin
- Erythrodermic: Intense redness over large areas
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