Sjogren's Syndrome Support Group
Sjogren's syndrome is an autoimmune disorder in which immune cells attack and destroy the exocrine glands that produce tears and saliva. It also associated with rheumatic disorders such as rheumatoid arthritis, and it is rheumatoid factor positive in 90 percent of cases.
I think I now have something called seborraic eczema in my ear and may also have tmj arthritis. All of this can cause ringing also.
Have you been to an ENT recently? Perhaps you should and have a hearing test. Is that your only symptom?