#$%^&*AU2013202974A120130502.pdf#####ABSTRACT The use of alpha 2 adrenergic receptor agonist for treating or preventing psoriasis, or a symptom associated with psoriasis in a subject. The methods involve preparation of medicaments for the topical application to the subject of a therapeutically effective amount of an a2 adrenergic receptor agonist, such as brimonidine.