Poor baby. She's got something going on with her, for sure. My Tibbe didn't get IBS until he was 3 - 3 1/2 years old but he now has that problem, along with N&V, from time to time, when he forages something from the floor or outside he shouldn't have. Occasionally, he's sick from a stomach bug and needs medication for that. You have to worry about dog flu and things like that this year. If she's hot, nose dry, etc., take her temperature and call the vet if it's 103 or above and see if you need to take her to the vet ER but in the meantime, if it's just elevated above normal 101 - 102, try letting her lie on a moist towel for a while and wipe her ears, nose, tummy and paws down with cool water every 30 mins. or so.
I always collect a sample of any abnormal stool for the vet & if it's runny, wipe up what there is and put the paper towel in a see-thru plastic bag, seal it and take it along so doc can possibly see the consistency, color, any presence of mucus, blood or blood cells, etc.
I'm so glad you are taking her in as these little Yorkies can dehydrate awfully fast and she likely needs an antibiotic and/or at least an anti-diarrheal to help her stop the GI inflammation causing the diarrhea. Dogs usually instinctively try to mask illness/injury, pain or any sign of weakness as a defense mechanism against other animals who tend to attack or shun a less than healthy animal so even when they are in poor shape, they often behave as normally as they can mange.
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__________________  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 |