[throwaway8902]

Lots of people posting in here about how they can’t figure out the cause of their tinnitus.

Mine was ear wax. I went to an ENT doctor for an unrelated issue, he pulled a big plug of wax out of my ear, and my tinnitus (which was quite bad and had a very sudden onset) totally disappeared.

If you have it, go get a doctor to look in your ear before you give up and decide to try to live with it.