I had the 2nd Moderna shot in Feb and 2 weeks later, NEVER having had PMR (I am 77) all the symptoms came on overnight. I did not know about PMR so I didn't know what to attribute the galloping pain in muscles...I just kept saying: Something is wrong with my muscles and joints. It took 4 months of working with my PCP and getting a million tests and then she referred me to a Rheumatologist. My sed rate was 49, CRP normal. To make it simple, I have PMR. I truly see it having coming on with the MOderna shot...I still believe it was important to get the shot given my other physical liabilities (Pancreatic cancer survivor 5.5 year when I was supposed to live only 2 months!).

On the booster. I saw my Immunologist and he tested my antibodies for Covid. I am in GREAT shape. Protected well. He said we should wait until the protection wanes from the MOderna, and he says it will...his has, his mothers' has, his wife's has. But, to wait till the 8 month window to see again

Meantime, it is now 8 weeks on 10 mg prednisone. Plenty of side effects...enough to try the first level wean...down to 9 mg from 10 mg. Not so easy. Some pain (not all of it) returned). I am going to stick this out at 9 mg for a while and see if I can lessen the BP and blood sugar effects (I am type II and on 2 kinds of insulin). I have been eating very low carb for 9 weeks, eating 16/8 itermittent fasting. NO packaged or processed foods. I believe that is keeping my weignt under control. I have gained only 2 lbs in 9 weeks which I think I great. So, YES, I believe that MOderna shot number 2 kicked off this PMR. I don't know yet if I will get the booster...pondering that...Not time yet. May want another set of antibody tests before I decide. Best to you! Sharon