I was also diagnosed “undifferentiated mixed connective tissue disease.” But what is hitting me most now is autoimmune attacking my lungs. I’m allergic to Bactrim . Just started on this journey June 2018 when finally they diagnosed me with autoimmune and cellcept and prednisone gave me a better life . Though when flare ups come, it’s bad .. but not as bad as before when they did
Not know yet that I am autoimmune. So there was definitely a progress there