Unlike exposure to other toxins, many Agent Orange symptoms tend to take several years to decades to present, and can cause a host of health issues. Initial symptoms tend to include common side effects found with many other illnesses, as well as neurological and psychological problems.
Heavy breathing or panting. Most dogs will pant from time to time because they are stressed or excited, but when dogs pant for no apparent reason and the panting becomes excessive, this can definitely be a sign that a dog is experiencing pain.
In short, if your dog is panting a lot, get him checked out by your vet, but donât panic. As a friend recently put it, the dog may simply have excessive panting syndrome.. You wonât find that diagnosis in any veterinary textbook, but it seems to fit the bill in many cases.