Dear Flutterbug:
I am also new to rheumatoidarthritis.net, joining only about an hour ago. I did a search of "cause" on this forum and among others, thought I might respond to your post although not sure of any correlation. I had minor facial surgery including 5 vials of restylane (dermal filler) a little over a month ago. 5 days after surgery, I experienced extreme joint pain with general muscle fatigue. Lift knee, damaged in vietnam jumping from a chopper, right hip, and both shoulders. 95% of the pain was in my shoulders, the rest was very tolerable. Hard to even wash my hair, or put on or take off a t-shirt. Now, I did injure both rotator cuffs (twice) during the 50 years I've worked out so there is history there. But I always have managed the situation, until the tendinitis or minor tear healed and then went right back to working out. Had pain on level of 2 at best during those time. NOW, is a different story as both shoulders have a pain level of 10 and keep me awake at night and hard to function during the day. My doctor thinks I might have RA that was triggered by the 5 vials of dermal filler. I have read of some correlation
between dermal fillers and RA. I think our similarities are only that my shoulders are my main pain points like you. I do plan to initiate a post of my own to see if others know what triggered (as apposed to cause) their RA.