Dogs usually pant when they go for exercise because they don't have sweat glands. Panting is alternate of sweat glands in dogs. If dogs have excessive panting other than physical activity or exercise then following conditions are suspected.
1. Fever
2. Heart diseases
3. Conditions of fear and excitement
4. Heartworm
5. Hypothyroidism
6. Poisoning
7. Anemia
1. Fever
2. Heart diseases
3. Conditions of fear and excitement
4. Heartworm
5. Hypothyroidism
6. Poisoning
7. Anemia