Why Is My Senior Dog Not Eating? When to Worry.

When a senior dog stops eating or begins eating less, it should never be dismissed as just old age. Older dogs may lose appetite because of dental disease, kidney disease, pain, nausea, cancer, digestive disease, medication effects, or other chronic illness. Dr. Roger Hart at Bushnell Animal Clinic explains the common reasons senior dogs stop eating, what signs to watch for, and when veterinary evaluation is important.