I have PMR and GCA diagnosed Jan. 2023. Having been on high doses of prednisone since then I have been able to taper my prednisone to 9mg daily due to Actemra injections. I am experiencing very slight PMR stiffness after taking Actemra for 3 months but have no headaches (GCA). I will let you know how my symptoms progress. Like you this isn't like me (I am 68) I had to stop my tennis, golf etc. and can only exercise gently. I am hoping my PMR eventually goes into remission.