Psoriasis is an irritating skin disease having skin patches turning out to be overgrown and thick. It is a skin ailment where the sufferer features patches of white or red skin, the section are always flaking, getting larger and itchiness. Psoriasis is thought to exist as a result of long list of things like alcoholic beverages, fatigue, a bad defense mechanisms and stress. Psoriasis is a skin condition that must be diagnosed over a case by case basis. There are plenty of issues that have to be looked at prior to a doctor can make a medical diagnosis.