Why is my dog breathing so fast?

Allergies. Allergies can cause the dog to gasp for air; the air passages are irritated and may also be swollen. In rare cases, if the dog is highly allergic to an irritant, the dog may have anaphylactic shock that causes extreme swelling of the face and air passages; the dog will breathe fast in attempt to get oxygen. read more

Your dog may be breathing fast after running or when he is warm; however, if the dog breathes faster for no apparent reason, you need to detect the problem. There are a few reasons why your dog may be breathing fast including pain or the lack of sufficient oxygen. read more

It’s normal for a dog to start breathing harder or panting after exertion. And some dogs, like Boston terriers, bulldogs, and pugs, are prone to heavier breathing than other dogs because of their short snouts. However, heavy panting is also a sign a dog may be suffering from heatstroke or may have consumed a toxic substance. read more