If your dog keeps panting quickly after exercising or is very excited, it is probably normal and will recover after a while. If it keeps panting rapidly, has difficulty breathing, or shows symptoms of lethargy, it is probably sick, and we need to take it to the hospital for treatment as soon as possible.
Tip:
Healthy dogs are able to eat, drink, sleep and play. If your dog becomes inattentive and depressed, That's probably because he's sick.