Just a thought from our retired Vet, Kidney fail is common in older dogs, do blood as they get older to check. Science Diet Prescription KD and KD cookies can slow down the toxin build up dramatically, buying you extra time. Vomiting, diarrhea, lack of appetite can be signs of toxin build up from kidneys not working at full capacity. Also smell breath, if smells like urine in high build up. |