Fairly regular vomiting isn't normal behavior for a dog so I would try to video her routine if I could - the shaking of the toys, vomiting and eating and show the vet, try to find out what is going on.
__________________  Jeanie and Tibbe One must do the best one can. You may get some marks for a very imperfect answer: you will certainly get none for leaving the question alone. C. S. Lewis |