Originally Posted by
joypulv
I don't know. My own experience is that all my ear problems (basically 3 times in my 68 years) were from dental problems, but they weren't evident each time.
For some people, it's damage to the eardrum from repeated loud sound.
For others, it's mastoiditis.
But I assume that the doctors you saw ruled those out.
I'd go back to looking at your molars. Except that you have it equally behind each ear, and that makes it unusual for any of what I suggested.
Eustacian tubes can get clogged, but that would have been found too, and you would feel them.
If you can afford a neurologist, sure.