Originally Posted by freeranger

Sounds like a possibility is tinnitus. I've had it for decades, the sound of mine is similar to a high-speed dentist drill and is 24/7 and it's louder at some times than others. I have grown used to it. Some are luckier and it may go away or be intermittent. Lots of snake oil remedies out there, but so far as I know, no cure. Seeing a doc is a good idea. Hopefully yours goes away. Wish ya luck.