>
>
> My wife has it constantly. I get it on occasions - not usually very
> badly. In my case I suspect a mild infection may be a trigger.
> If treated at initial onset in some cases it can be prevented from
> becoming permanent. Once well established you have it for life.



Yup.. I've got that.  A high pitched hissy noise that's with me 24/7.

I also get (and have since I can remember) individual high pitched noises
that will last for maybe 15 seconds, starting fairly loud, then tapering to
nothing.
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