text: how do you get rid of psoriasis?   treatment for psoriasis can be divided into 3 basic categories:  1. topical treatment - anthralin, calcipotriene, salicylic acid, tazarotene  2. phototherapy ( artificial ultraviolet light)this is used for people with moderate to severe psoriasis who are not responding to topical treatment  3. systemic medications/ injection. these are use for pustular psoriasis - oral retinoids, biologics, cyclosporine. http://www.webmd.com