 Sky Rizzy, Riz and Kizumab Rizza, a prescription only 150 milligram injection for adults, helps with less joint pain, stiffness, swelling, and fatigue. For those who also have plaque psoriasis, 90% clearer skin is possible with just four doses a year after two starter doses. Don't use if allergic to Sky Rizzy. Serious allergic reactions and an increased risk of infections or a lower ability to fight them may occur. Before treatment, your doctor should check for infection and tuberculosis.