I've been on Kevzara about 8 months. I haven't noticed any negative side effects as far as how I feel. My labs have been abnormal, with low white cells and elevated cholesterol, which are both listed as potential side effects. My PMR symptoms pretty much disappeared after a month or two on the drug and I was able to easily drop from 6 to 5 mg prednisone. Then other pain arose and when I tried to drop below 5 mg I had a major return of the PMR symptoms. In January when my supply of free drugs runs out I will go off Kevzara and see what happens. I can't afford it without the drug company support. I think it helps and maybe I would have been able to lower the prednisone if I tried again.