Sophie, I am not playing a Dr here, but due to my MS, Lupus, Fibro and RA I done a lots of research and can say something to you: if a Dr would tell me that Fibro and Lupus go hand in hand - would scare me enough to leave him for good.
This statement is so wrong! First of all: there are no blood tests showing Fibro. Fibro can be Dx only by a good RA Dr and only by pressure points and overall symptoms. Many DRs don't even recognise Fibro as a condition and only b/s there are no tests shown Fibromyologa .
So please do yourself a favor and go for second opinion, never hurts to get more information!
Best of luck to you, honey.