I started my long journey trying to find out what was causing my horrible tinnitus and came across this excellent article in which a young man was not doing well with the unwanted sounds in his ears. The doctor was about to dismiss it as 'garden variety' tinnitus when he noticed an iv line on the young man's arm. He asked what that was for and the patient said he was being treated with antibiotics for Lyme's disease. Read the article on it (link attached) to understand how Lyme's disease had caused this young man's tinnitus and after treatment he was symptom free in both ears. Alas, it wasn't my case although I have had plenty of tick bites over my lifetime, but because Lyme's can cause a type of tinnitus it might pertain to someone's situation.