Psoriasis is an autoimmune disease that causes raised, red, scaly patches to appear on the skin. It typically affects the outside of the elbows, knees or scalp, though it can appear on any location. Some people report that psoriasis is itchy, burns and stings. Psoriasis is associated with other serious health conditions, such as diabetes, heart disease and depression. Acitretin and Fumaric acid esters have been extensively in the successful treatment of Psoriasis. Regarded as having good efficacy and safety profiles they are widley recomended in the medical literature and by international dermatology treatment guidelines.