Definition
Psoriasis is a chronic, inflammatory skin disease. Knees, elbows, scalp, trunk, and nails are the most commonly affected areas. There are several types of psoriasis:
- Plaque—inflamed patches of skin topped with silvery, white scales (most common type)
- Guttate—small dot-like lesions
- Pustular—weeping lesions and intense scaling
- Inverse—in body folds (armpits, groin, under breasts)
- Erythrodermic—intense sloughing and inflammation of the skin
Psoriasis
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