Poly myositis vs Sjogrens Syndromee

I did read all about Polymyositis etc many many articles.  I am just worried why glands swollen Now salty taste in mouth, Thick white mucus and tongue feels like it is burned. Pain right kidney. Really hard to get upstairs. Twitching.  many times in morning Hurt my right femur just by turning and falling all the time if not using walker Must watch feet and ground to walk. I have seen Neurologist, Rheumatologist, Orthopedic, EENT, Endocrinologist and GP. They are not talking to each other Plus their is something wrong they all say. My symptoms maybe Sjogrens EENT Dr says

 

Polymyositis  attacks a component of muscles making it hard to walk and get up or sit down you have weakness, its also thought to be autoimmune disorder and when you have one other's can follow, like Lupus and RA,  Scleroderma, Sjogrens. the gland swelling could be Siogrens, it can effect all organs , you have no tears for the eyes, dry mouth, throat dryness feeling like chocking some time, nose congestion,  any membranes of the body that secrete mucus, joint aches like hands, wrist, feet ankle's elbows, mouth sore's, dizziness, also eye information feeling like you have something in it, pain in eye's,  autoimmune disease can over lap one another.

Lymp node  swelling can be from injury, infection near by or somewhere in the body, lymphoma, night sweats, weight loss, run low grade temp.hope they can find out soon, wishing the best of luck to you.

TY God Bless  Yes They said no infection cheeks still swollen after 20 days of antibiotics. Waiting to get results from Endo Dr I have a Kidney did now they just found out Scary