The symptoms of psoriasis vary from person to person. However amongst various types of psoriasis exist, plaque psoriasis is considered as the hallmark of psoriasis. There are many other types of psoriasis, such as nail psoriasis, scalp psoriasis, guttate psoriasis, pustular psoriasis, inverse psoriasis, and erythrodermic psoriasis. Psoriasis can be always forever. In some, the flares of psoriasis stayed disappear and reappear after a span of time. This is called the remission of psoriasis. Each type of psoriasis shows specific symptoms to recognize them.