For future reference, a full grown female BP will often go off feed in the winter months. It is very common. Get a scale and start monitoring your BP's weight. If she isn't loosing a considerable amount of weight, there is nothing to worry about.

You really need to re-do your husbandry. Sounds like you have a lot of things that are off that can also cause a snake to go off feed.

I would highly suggest moving her into a 41qt tub with paper towel substrate. I would get 1 identical plastic rock cave type hides. These should be very tight fitting and snug.

Get a UTH that is controlled with a thermostat. 100* spikes can burn your snake! You should set the thermostat at 94*.

You should be monitoring your temps digitally with probes. There is a great unit called the accurite weather station that will get the job done for you.
http://www.weatherconnection.com/pro...9964&s=froogle
Stick the probe on the inside of the enclosure right on top of the UTH, under the substrate. Then put the entire unit in the enclosure on the cool side.

Your humidity should come WAY down. constant humidity that high can easily cause a respiratory infection.

Also, get a new herp vet who is more qualified.