Flare up

So I have officially been diagnosed with rheumatoid arthritis for a little over a year now getting the medication under control was a nightmare from the very beginning and I believe as of five months now I have been doing pretty well on Humira. But for some reason, I will have one good month and I’ll have two bad months or vice versa. I’ll have two good months in one bad month and what I mean by bad I have a flareup towards almost debilitating.
I bring it up to my rheumatologist. She says I should talk to my primary care doctor and make an appointment to my primary care doctor. He says to me why haven’t you discussed this with your rheumatologist? Is there anything that anybody does to help them deal with their flares because I’m still new in learning because as of before I didn’t even know what a flare was until I was almost crawling into the doctors office crying and the nurse actually says oh sweetheart, you’re having a flareup… I had no idea. I tried small yoga. I’ve tried sitting on the couch. I can’t sit too long because it hurts but they say oh relax rest but don’t over relax and don’t over rest. Try sitting out getting some sun try going for a small slow walk. I’ve tried all of these and they do not work for me. I’m going to be going back to work in a couple months and if I have a flareup like this at work, I’m pretty much gonna be fired because I can’t perform my daily tasks of work. Sorry for this long message everybody but I’m reaching out cause I don’t know what else to do. I feel very alone.