When a dog is diagnosed as diabetic, some things will have to change. Diabetes is a lifetime illness that can make your dog feel tired all the time, kill her appetite, make her sick and even kill her. To combat the effects of diabetes, you dog will need medication daily, more visits to the vet (at least for a while), regular exercise, and most of all, what he or she eats will need to change! This is where diabetic dog food comes in–but what is it really?