canineanorexiaDogAbdominalUltrasoundDogDentalPainDogLossofAppetiteDogNotEatingbutActingNormalDogRefusingFoodElderlyDogWeightLossseniordoghealthVeterinaryDiagnosticTests 12 Nov 2026 Senior Dog Not Eating but Acting Normal: Possible Causes, Warning Signs, and Veterinary Tests When a senior dog stops eating but continues drinking water, going to the bathroom, and behaving …