MCTD Support Group
Mixed connective tissue disease (MCTD) or Sharp's syndrome is a human autoimmune disease in which the immune system attacks the body. MCTD combines features of polymyositis, systemic lupus erythematosus, and systemic scleroderma and is thus considered an overlap syndrome. MCTD commonly causes joint pain/swelling, Raynaud phenomenon, muscle inflammation, and scarring of...

You are right knowledge is power with these type of illnesses. If you can understand how and why it makes coping with them. So much easier.
I tell everyone write things down get a small note book keep it with you it helps when talking to doctors etc cos you have the info there, sometimes it's months between visit and you don't remember everything.
Hope you feel better
Tiggy
Good luck.
Mary Ann