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What is Kennel Cough?
Clinical cases of Kennel Cough are usually caused by several infectious agents working together to damage and irritate the lining of the dog’s trachea and upper bronchii. The damage to the tracheal lining is fairly superficial, but exposes nerve endings that become irritated simply by the passage of air over the damaged tracheal lining. Once the organisms are eliminated the tracheal lining will heal rapidly.
Bordetella bronchiseptica and two viruses called Parainfluenza virus and Adenovirus and even an organism called Mycoplasma.
Kennel Cough in dogs will stimulate a coarse, dry, hacking cough about three to seven days after the dog is initially infected. It sounds as if the dog needs to “clear his throat” and the cough will be triggered by any extra activity or exercise.
Many dogs that acquire Kennel Cough will cough every few minutes, all day long. Their general state of health and alertness will be unaffected, they usually have no rise in temperature, and do not lose their appetite.
The signs of Canine Cough usually will last from 7 to 21 days and can be very annoying for the dog and the dog’s owners.
Life-threatening cases of Kennel Cough are extremely rare and a vast majority of dogs that acquire the infection will recover on their own with no medication.

How is Kennel Cough Transmitted?
The causative organisms can be present in the expired air of an infected dog, much the same way that human “colds” are transmitted. The airborne organisms will be carried in the air in microscopically tiny water vapor or dust particles. The airborne organisms, if inhaled by a susceptible dog, can attach to the lining of the trachea and upper airway passages, find a warm, moist surface on which to reside and replicate, and eventually damage the cells they infect.
The reason this disease seems so common, and is even named “Kennel” cough, is that wherever there are numbers of dogs confined together in an enclosed environment, such as a kennel, animal shelter, or indoor dog show, the disease is much more likely to be spread. The same is true with the “colds” spread from human to human … they are much more likely to occur in a populated, enclosed environment such as an airplane, elevator, or Even a chance encounter with a carrier of Kennel Cough can transmit the disease. office.
All it takes for contagion to occur is a single source (infected dog), an enclosed environment, and susceptible individuals in close proximity to the source of the infection. Infected dogs can spread the organisms for days to weeks even after seeming to have fully recovered!
Even in the most hygienic, well ventilated, spacious kennels the possibility of a dog acquiring Kennel Cough exists. Kennel Cough can be acquired from your neighbor’s dog, from a Champion show dog at a dog show, from the animal hospital where your dog just came in for treatment of a cut paw. So try not to blame the kennel operator if your dog develops Kennel Cough shortly after that weekend stay at the kennel! There may have been an infected dog, unknown to anyone, that acted as a source for other dogs in the kennel.
Many dogs will have protective levels of immunity to Kennel Cough via minor exposures to the infective organisms and simply will not acquire the disease even if exposed. Other dogs that may never have had immunizing subtle exposures will be susceptible to the Bordetella bacteria and associated viruses and develop the signs of coughing and hacking.

How is it Kennel Cough Treated?
Many dogs that contract Kennel Cough will display only minor signs of coughing that may last seven to ten days and will not require any medication at all. The majority of dogs with the disease continue to eat, sleep, play and act normally — except for that annoying, dry, non-productive coughing that seems so persistent.
It is, however, always a good idea to have any dog examined if coughing is noticed because some very serious respiratory diseases such as Blastomycosis, Valley Fever, Heartworms and even cardiac disease might display similar sounding coughing. Your veterinarian, through a careful physical exam and questioning regarding the dog’s recent environment, will be able to establish if the dog’s respiratory signs are from kennel Cough or some other respiratory insult.
Treatment is generally limited to symptomatic relief of the coughing with non-prescription, and occasionally prescription, cough suppressants. If the dog is running a fever or there seems to be a persistent and severe cough, antibiotics are occasionally utilized to assist the dog in recovering from Kennel Cough. It can happen that secondary bacterial invaders will complicate a case of Kennel Cough and prolong the recovery and severely affect the upper airway. Therefore, the use of antibiotics is determined on an individual basis.

How is Kennel Cough Prevented?

Many dogs, exposed to all sorts and numbers of other dogs, will never experience the effects of Canine Cough. Some dog owners, though, prefer to take advantage of the current vaccines available that are quite effective in preventing the disease. Usually these dog owners will have to board, show, field trial, or otherwise expose their dog to populations of other canines.

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