If the tail problem is
from a 'pull injury', then she might also have hurt her back when the injury occurred. Another vet visit might be in order to assess her back, too.
Tails are just an extension of the spine--and they can take a very long time to heal. She may need more pain meds--also something the vet can help you with when she sees him again.
"We are--each of us--dying; it's how we live in the meantime that makes the difference."
"It's not what you gather, but what you scatter that tells what kind of life you have lived!"
"Be kinder than necessary, for everyone you meet is fighting some kind of battle."