WHAT is my skin condition? Why is my skin so itchy with red patches and scales? Why do I have dry skin that spreads on different parts of my body with small, silvery looking scales that burn and ache? Why are areas of my body covered in dry, flaky patches? These symptoms are the most common in people who have PSORIASIS. Psoriasis is a skin condition that is caused by an overactive immune system. T cells (lymphocytes that are a part of the immune system) ordinarily fight off v