There are a TON of threads about CT on this forum. Here is a post I made that has some other options....
https://www.yorkietalk.com/forums/4747924-post13.html
Here is a link that may be helpful:
https://vcahospitals.com/know-your-p...llapse-in-dogs
I see they mention Bupranex...that is also a very effective med for it.
If your vet is not familiar with medical management options, I would consult with a specialist. You can find one at:
www.acvim.org