Why Won't My Dog Eat? If your dog isn't eating, consult a vet within 8-12 hours if there is any accompanying vomiting or diarrhea. Absent these symptoms, there's a few likely reasons your dog isn't eating, including emotional issues.
Why does my dog suddenly not want to eat?
Dogs may go off their food because of changes in their environment, stress, an adverse reaction to drugs, and nausea. Dental problems, pain and internal obstructions can also cause dogs to lose their appetite.
When should I be concerned about my dog not eating?
If your dog is quiet, not themselves, or displaying any other symptoms like vomiting, diarrhoea, weakness or lethargy; or has not eaten at all for 2 days then you should seek veterinary attention.
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