One more thing. Labs do not always confirm AI diseases....at least not in the early stages which for some can last months or even years. Clinical symptoms are important but many of them, like fatigue or joint pain, can be associated with many different diseases and conditions. Doctors diagnose on the sum of your symptoms, labs, and other appropriate tests.
MCTD (SLE Lupus, polymyositis, scleroderma). Diagnosed 2005. Kidney, liver, GI tract, dysphagia, raynauds, barretts esophagus, quadriplegic in 2005. Recovered and now active in downhill skiing, golf, hiking. Meds: amlodipine, benezapril, omeprazole, potassium, folic acid, vitamins, maxide.
Remain Optimistic and you can overcome.