Psoriasis is a long-term (chronic) skin problem that causes skin cells to grow too quickly, resulting
in thick, white, silvery, or red patches of skin. It is thought that
psoriasis occurs when the immune system overreacts, causing inflammation and flaking of skin.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your doctor.