Have Dizziness, Extreme Fatigue And Kidney Infections. Diagnosed With Lupus And Other Medical Diseases. What To Do?

I have been diagnosed with rheumatoid arthritis, fibromyalgia, & lupus(connective tissue disease) but my recent blood work doesn't show any flare ups active. Over the last year I've aged years, Won't heal, at all, scar over scratches, dizzy all the time, at times, can't speak, and j truly feel like I'm dying. The worst is the veins or arteries, showing all over body, especially hand and arms, the swelling, even between, knuckles , & horrific pain. I get constant kidney infections, extreme fatigue, weight gain, sleep apnea, narcolepsy among other things for no apparent reason and they don't know what's wrong, my grandfather died of water on the brain and was mid diagnosed his whole life.y hands are purple/red and get high blood pressure frequently, desperate got help, my symptoms mimic so many illnesses