Get Your Dog Care Questions Answered by Experts
I would give her 1/4-1/2 tsp of Immodium(can be repeated in 12 hours). Then I would only feed her rice with chicken broth until this episode is over. Another food is jar baby food chicken/turkey (with no onion additives) it is bland as well.
I would definately get her into a vet if vomiting/lethargy/or other signs develop.
Unfortunately it is very common. This breed is prone to panceratic inflammation as well that presents as acute vomiting and then diarrhea.
Many times this breed is managed on a prescription diet from a vet for chronic colitis issues.