Symptoms of advanced diabetes in older dogs Symptoms of advanced diabetes in older dogs include: kidney disease, myocardial infarction, lethargy, moodiness, prolonged wasting, heart failure, skin loss and cloudy corneas. Related Posts:How to treat diabetes in catsTreatment for Diabetes in DogsWhat problems indicate a dog may have diabetesHow to choose dog food for older dogsHow long can you live with diabetes?How to treat diabetes in dogsEnglish Deutsch Français Español Português 日本語 عربي