Q. What could cause shortness of breath? (Retractable)
DR. ANDREA M. BRODIE, DVM
A. Shortness of breath can be caused by an upper respiratory infection , a heart condition such as congestive heart failure, allergies, asthma, a foreign body in the upper and/or lower airways, pulmonary hypertension, lung cancer , laryngitis, any mass that would be pressing on the windpipe or larynx, excess fluid in the chest, abdomen and many more causes. If your dog has shortness of breath you should take it to a vet for an exam and tests ASAP as this could be an emergency, especially if it appeared suddenly.