You must know that the antibiotics kill off the good as well as the bad, and until you can get things back
in balance, you will be fighting this for..........well..........a
long time. Like a YEAR!
I know you must be scared, but try to understand that you've been tested for a great many things and if there were any red flags, your doctor and Gyno would have looked further.
Keep trying to be seen sooner by this specialist, get put on the cancellation list.