"I feel better knowing that this is not uncommon under these circumstances."
No, it really is not that uncommon... stress amplifies so much... But even if you take the stress out, I think it is common enough for people to pull noise that is not there out of other noise. I know for me, even when I am calm and content, whenever I vacuum I will swear the phone is ringing. It does not ring, but I hear it. I hear a lot of things though, from the electric sqee outside of my head to the millions of cicadas/static in my head. The nonstop buzz of it all makes me ask people, now and then, "Did you hear that or was it just a me thing?" Now that cold weather is setting in, I will be hearing things in the sound of the heater. When stressed, I used to hear music, like a choir. It has been some time since the choir was around... I used to try so hard to make out what their song was...
It is worth mentioning to the doc. You never know with meds what you will get, and I would really hate for you to have to go through negative side effects that could have been avoided by switching. I know med switching is an incredible pain, but if it is the medication, then it needs to go.
I hope the stress level in your life goes down soon. To say that it is no fun is an understatement. I wish you well.
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"...don't ask me why it's just the nature of my groove..."