I Am On Prednisone For The Last 30 Years First

I am on prednisone for the last 30 years First I was taking it for protein urea for 15 years. I wad taking between 5 to 7.5 mg/day Then in 2002 I was diagnosed with temporal arteritis started high doses of prednisone. Currently taking 16 mg/day I increase or decrease the dose by few mgs based on symptoms like energy levels. Now I qm 72 years old (male), and retired pharmacist. These days , altrhough CRP is normal, but feeling fatigue and week