Wheezing due a foreign body in the airways is always an emergency. They tend to have a low energy level along with a persistent cough. Dogs that have wheezing due to heart failure are typically older, though they can also be young, in rare instances. Excitement or exercise can make this type of wheezing worse.Ĭhronic bronchitis can also cause scarring in the airways, which can make the bronchi less flexible, leading to constant wheezing and coughing.ĭogs that have congestive heart failure due to heart valve disease can also wheeze due to fluid build-up in the lungs. Collapsing trachea is common in Pugs, Maltese, Shih Tzus, Lhasa Apsos, and other small, short-nosed breeds. In some small breed dogs, that membrane can get loose or floppy over time, and as the dog breathes in, the trachea can collapse on itself, narrowing the airway and making it more difficult for the dog to breathe. In the dog, the windpipe is comprised of cartilage in a C-shape that is closed by a membrane that is flexible. Wheezing Related to Collapsing Trachea or Bronchitis can all cause allergies in dogs, including allergic asthma, which causes dogs to wheeze from constricted airways.ĭogs that wheeze due to seasonal allergies may only have problems during part of the year. Pollen, mold, dust mites, cigarette smoke, etc. Dogs with wheezing due to infectious disease typically have a history of being around other dogs, such as being in an area where other dogs frequent, like the dog park, doggie daycare, or groomer.ĭogs can have allergies just like people. Dogs can carry nasal mites for years and the only sign you may see is wheezing or sneezing when the dog gets excited.īacterial and viral diseases can also cause wheezing and coughing. One common cause of wheezing and reverse sneezing is nasal mites, a common parasite that is highly infectious between dogs. Heartworms can cause wheezing, as can aberrant migrations of hookworms or roundworms. The following is a list of the most common causes.ĭogs can contract parasites that live in the lungs and airways, causing secondary conditions due to irritation of the respiratory tissues. The Most Common Causes of Wheezing in Dogs If your dog is wheezing continuously, or his gums have a blue-ish tint indicating that he isn’t getting enough oxygen, or if your dog seems uncomfortable breathing, those are signs that the wheezing is potentially life-threatening you will need to take your dog to an emergency veterinarian immediately. It may resolve on its own, or return intermittently, necessitating a trip to the veterinarian to sort things out. Non-emergency wheezing usually lasts only a few seconds. If a dog feels like he can’t get enough air, he may panic, or he may find a spot to lie down to try to breathe better. The blockage can be in either the trachea (windpipe) or large bronchi.Ĭonstricted airways from asthma, allergies, mucus, foreign bodies, or infection can all result in wheezing. Wheezing is caused when something blocks the normal flow of air in and out of the airway, resulting in a whistling sound as a dog breathes.
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