KisekiShiawase. yes, the ENT will be able to tell immediately if your vocal cords are damaged and eroded. They will numb your throat and put a small camera in the back to look at the vocal cords. You'll make humming noises at different pitches to see how your cords
open and close. Also they can see erosion on the edges of your cords. The cure is unbelievably simple. about
6 sessions with a speech therapist will get you breathing normally again. However, if you still have the reflux it will come back. You just need to keep up with the exercises.
I just have a sneaking suspision that's what it is. It's the last thing that's thought of and I had to go to a big city teaching hospital with a top pulmonologist to suspect it.
One more idea would be a nasal problem, but I have no information on that.