Does anyone know if your rheumatoid factor can change? I know I had a test result of only 10.0, but I have been having very sore joints, hips, shoulders, wrists, hands, knees, elbows for months. I has become worse lately, wake up in the night from pain and stiffness and am very stiff and sore in the morning especially. My mother has had RA for 30 years. I also have Hashimoto's Disease, but regulated with Synthroid. I just don't know what is going on. I had a full scale of blood work done this morning and am anxious for the results to see what is happening.