How Long Does Kennel Cough Last

How long does kennel cough last? The answer to this question depends upon a number of factors ranging from the dog's general health to secondary infections. While some cases of kennel cough resolve quickly without medication, other cases can be long-lasting and quite serious. You can help your dog recover by learning about kennel cough and how to recognize the signs of a potential complication.

Kennel cough, also known as canine infectious tracheobronchitis or canine cough, is the term used to describe a number of viral and bacterial infections that affect the bronchi, larynx and trachea. This contagious respiratory disease can affect a dog at any stage of his life. The main symptom of the illness is a dry, hacking cough.

Many types of viruses and bacteria can cause kennel cough. Canine adenvirus-2 and canine parainfluenza are among the viral causes of the condition. The most common bacterial cause is bordetella brochiseptica. Kennel cough symptoms for viral and bacterial infections are similar. Yet the infection type can make the difference in the duration of the illness. Bacterial infections may last longer than some viral infections.

The question, "How long does kennel cough last?", does not have a simple answer. In general, a dog may get exposed to the infection and then begin exhibiting symptoms three to eight days later. Once symptoms appear, the dog may be sick for about ten days. However, each case of kennel cough is unique. Your dog's kennel cough may last for a shorter or longer period than average.

Many factors determine how long a case of kennel cough may last. These factors include:

• Dog health: A healthy dog has the best chance of recovering quickly. Dogs with weak immune systems or other health conditions, such as a collapsing trachea, may be susceptible to secondary infections.
• Age of the dog: A young dog may fight off infection easier than a more mature dog.
• Type of infection: A dog may recover from some viral infections quickly without medication. However, a dog may have a lingering bacterial infection that requires antibiotics to resolve it over an extended period of time.
• Secondary infection: Sometimes a secondary infection occurs in addition to kennel cough that results in a serious upper respiratory infection. A case of kennel cough with a secondary infection usually takes longer than one without complications.

To better understand how long a case of kennel cough may last, it helps to learn how the infection develops. Once a dog is exposed to the airborne infection, the pathogens invade the body and disrupt the normal function of the respiratory system.

Over a three to ten day incubation period, the pathogens temporarily destroy the protective cilia lining of the larynx, trachea and bronchi. Once the cilia are destroyed, the upper respiratory tract becomes irritated and the dog begins coughing and showing other symptoms of illness. Without the protective lining, the pathogens may also move into the lungs and trigger a secondary infection in some dogs.

Some dogs develop a secondary infection that can affect the lungs. Small breeds, puppies, dogs with weak immune systems and dogs with pre-existing health conditions such as chronic bronchitis may become susceptible to a secondary infection. The most common secondary infection is pneumonia.

Signs of kennel cough with a secondary infection include:

• Fever
• Deep, congested cough
• Thick nasal discharge
• Labored breathing
• Fatigue
• Loss of appetite

Cases of kennel cough with a secondary infection can last for any period of time between two weeks to three months. Veterinary attention is required to help a dog recover from kennel cough complications.

If you suspect that your dog has kennel cough, it is a good idea to consult with a veterinarian as soon as possible. Early treatment can help your dog recover faster and prevent a secondary infection. A veterinarian can determine the best course of treatment for your dog.

Treatment options such as cough suppressants, antibiotics, decongestant or bronchodilators may be necessary to assist your dog's recovery. Always contact a veterinarian if your dog shows any signs of a secondary infection. Without veterinary attention, a case of kennel cough with a secondary infection can be life-threatening. Early veterinary care may prevent a serious complication.

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