There are other causes of synapse xt as well which include Anemia - where the thin blood rushes around the body so quickly that it can cause a sound. I had no strength to fight the audiologist who sold me "white noise/masking hearing aids" that, despite my discipline, hope, and full cooperation, didn't work for me. I started drinking much larger amounts of water to eliminate as much of the bad toxins in my body as I could. My husband, who has been working for a sheet metal factory for the past two decades has developed a special kind of hearing problem called synapse xt.synapse xt Resolution - Take A Moment The Self Applied!

You will need to experiment to find out what will work best for you. I decided to get pro active and take ownership of my own healing. It is basically the perception of noise when in the absence of acoustic stimulus.
http://www.quanticode.com/forum/phpBB3/viewtopic.php?f=10&t=37624&sid=de073a683221e7e6acc816202c49c859
https://viroboss22.com/topics/view/13856
https://www.iamaboldwoman.com/forum/writers-forum/what-is-the-side-effects-of-synapse-xt