I also take tranquilizers, those are powerful drugs
and have to be used responsibly.
And as for
gabapentin, it is possible your doc thinks it may help it from experience in treating your condition, I don't know, but it is used for a number of things other than fibromyagia, including some muscle problems.
Instead of gabapentin, I take its cousin pregabalin, altho I've been on both. I have severe lower back pain, it takes care of it.