My 3 Year Old Pitbull Is Panting Hard, Hardly Any Bowel Movement And No Appetite?

Heavy panting in dogs is symptom of many conditions. Physical examination, ECG, blood test, x-rays etc are needed to diagnose properly. Following are some general causes of excessive panting in dogs.

1. Heart diseases
2. Heartworm
3. Fever
4. Condition of excitement
5. Anemia
6. Hypothyroidism
7. Poisoning

Your dog needs to be investigated by the vet for proper diagnosis and treatment. So, take your fog to vet.