Recent over-view from the Mayo Clinic
https://www.mayoclinic.org/diseases-conditions/tinnitus/symptoms-causes/syc-20350156

I believe Transcranial Magnetic Stimulation is still only available as part of a clinical trial.
This is a 6-2020 review article
https://www.ejao.org/journal/view.php?number=734

Rob makes a very important point regarding aspirin and ANY NSAID, including ibuprofen. My tinnitus is much worse and I'm almost deaf for a few days when forced to take a celebrex or naproxen.
Just 1 beer also worsens my tinnitus.

New onset tinnitus associated with one side sensorineural hearing loss is potential sign of an acoustic neuroma.

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