Hi, Sleepiest, and welcome! You've heard it in this thread but I'll say it again. Get another rheumatologist and ask, before making an appointment, if they treat fibromyalgia patients. Ask around. See if there is a fibro support group in your area. Your local hospital may know or look in the phone book. They could guide you to a good rheumy.
There are some doctors out there that don't believe fibro is a true illness. Many of us have been accused of being hypochondriacs or having mental problems even though fibromyalgia is recognized by the American Medical Association, the American College of Rheumatology, the National Institutes of Health, and the World Health Organization...just to name a few. Some doctors are just in the Dark Ages when it comes to this illness and you need to do your homework when choosing doctors to help you.
Most of the symptoms you have listed are common with fibro and RA but the sickness with vomiting isn't. You are taking quite a cocktail of drugs so perhaps one is causing this problem or some are interacting with others to give you this side effect. I'm just guessing but it makes sense to me. It's worth looking into. There is a great site called Drugs.com where you can type on the name of your medication and it will tell you all about it, including side effects. I know I would be checking that out if I were you. Be sure to let your doctor know, too!
I have a form of RA called ankylosing spondylitis and I take ibuprofen with food and was given a muscle relaxer called Robaxin. That muscle relaxer made a significant difference in my muscle pain so you might ask about that.
With fibro you will feel like your hands and feet are swollen but they really aren't. Your swollen joints are most likely the RA. You are taking a lot of meds and maybe some should be switched because it doesn't sound like they are helping you. If you see that there is no difference when taking a medication you should let your doctor know. There are quite a few meds for arthritis and maybe another med would work better than some you are taking. Besides, what's the point of putting these chemicals in your body if you aren't getting any relief from them?
I see you are taking prednisone, too. I took that for Crohn's disease and it did affect my bones so you probably should ask about taking calcium supplements and extra vitamin D3 (that helps with the absorption of calcium) to help prevent osteoporosis. I take Citracal because it's more easily absorbed.
Be sure to read Fibro 101...the first thread on the forum. There are links to good info about fibro and you will learn a lot there. Good starting links for you would be the ones called Symptoms and A Thorough Explanation of Fibromyalgia. You just might see yourself there. Be sure to read all the links. You will learn a lot and we do need to be our own advocates with this illness.
I'm looking forward to getting to know you better. Don't hesitate to ask questions because we are here to help you. Hope to hear more from you soon.
Sherrine