Originally Posted by Koteburo
The collar might help her
btw I've also seen alternatives to feliway at Petsmart that are more affordable.
Maybe you could also try spoiling her a tiny bit more than usual like getting her her favorite treats or some play time just with her, even if only a few mins.
I was at the vet today and they had something that looks like an air fresher and when it's plugged in it put out a sense that help calm down cats.