
Cirdc and Kennel Cough are two common respiratory issues affecting dogs. Cirdc is a highly contagious and infectious disease caused by the Bordetella bronchiseptica bacteria, which can lead to severe respiratory symptoms.
Cirdc is often spread through close contact with an infected dog, and it's highly contagious, affecting dogs of all ages. Kennel Cough, on the other hand, is a milder condition caused by the Bordetella bronchiseptica bacteria, but can also be caused by other pathogens like the parainfluenza virus.
Cirdc symptoms can range from mild to severe, including coughing, sneezing, and difficulty breathing. Kennel Cough symptoms are typically milder and may include a persistent cough that sounds like a honking noise.
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What Is Kennel Cough?
Kennel cough is a term that's often misunderstood, but it's actually a broad description of common bacterial and viral respiratory infections in dogs.
The name "kennel cough" can be misleading, as it doesn't always manifest as coughing. A more accurate term for this condition is canine infectious respiratory disease complex (CIRDC).
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You might be surprised to learn that CIRDC can be seen in dogs that have been exposed to other dogs in various settings, such as animal shelters, boarding facilities, dog parks, and competitions.
Dogs that are frequently socialized or exposed to other dogs are more likely to contract CIRDC, making it a common issue in certain communities.
Causes and Prevention
Cirdc is highly contagious and can be spread through direct contact with an infected dog, contaminated food and water, or airborne transmission.
Kennel cough, on the other hand, is primarily spread through airborne transmission, caused by the bacterium Bordetella bronchiseptica.
Preventing cirdc requires immediate attention to symptoms, as it can quickly progress to life-threatening complications if left untreated.
Regular vaccinations can help prevent kennel cough, but it's essential to follow a strict vaccination schedule to ensure maximum protection.
A different take: How Does Kennel Cough Spread
Etiology
The causes of CIRDC are multifaceted, and can be attributed to one or a combination of infectious agents.

Influenza virus, a common culprit, is responsible for many cases of CIRDC. Canine influenza virus, specifically the H3N8 and H3N2 strains, have also been identified as contributing factors.
Canine pneumovirus is another virus that has been linked to CIRDC.
Other viruses, including reovirus, circovirus, hepacivirus, canine bocavirus, and feline morbillivirus, have been detected in dogs with CIRDC, but their exact role in the disease complex is still being researched.
Here's a list of some of the infectious agents associated with CIRDC:
- Influenza virus
- Canine influenza virus (H3N8 and H3N2)
- Canine pneumovirus
- Reovirus
- Circovirus
- Hepacivirus
- Canine bocavirus
- Feline morbillivirus
Prognosis and Prevention
Complete resolution of uncomplicated disease typically occurs within 10 to 14 days after onset of clinical signs.
Complicated disease can require treatment for 2 to 6 weeks.
Prognosis is generally good, but subsequent development of severe pneumonia can progress to sepsis or multiple organ dysfunction due to systemic inflammatory response syndrome.
Immunization is key to preventing CIRDC, and according to AAHA vaccination guidelines, it's essential to vaccinate against core and noncore pathogens.

Core vaccines provide robust immunity against viruses like canine distemper virus and canine adenovirus-2, while noncore vaccines may not prevent infection but can limit the severity of clinical signs and duration of shedding postinfection.
Oral, intranasal, and parenteral B bronchiseptica vaccines are available, with intranasal vaccines offering more effective mucosal immunity and a less severe disease outcome in experimental studies.
Intranasal vaccination has been shown to produce protective immunity for at least 1 year.
Treatment and Contagiousness
When it comes to treating CIRD and kennel cough, the good news is that both conditions can be effectively managed with antibiotics and rest. CIRD, in particular, is often treated with antibiotics to help clear up the underlying bacterial infection.
CIRD is highly contagious, spreading quickly through close contact with an infected bird, such as touching or sharing food and water. This is why it's essential to take precautions when caring for birds with CIRD.
The contagiousness of kennel cough is also a concern, with symptoms appearing 2-14 days after exposure to an infected dog.
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Treatment for Kennel Cough
Treatment for Kennel Cough is generally focused on supporting the dog's immune system to do its job.
Supportive care is a key part of treatment, allowing the dog's immune system to recover from the infection.
Antibiotics may be prescribed if a bacterial infection is suspected, but they're not always necessary.
Antitussives or expectorants tend to be of little benefit in reducing coughing and mucus caused by kennel cough.
Maintaining proper nutrition and hydration is crucial to help the dog recover.
Minimizing excitement and preventing excess tugging or pulling on the trachea also aid in the treatment of kennel cough.
Exercise should be avoided while a dog is being treated for kennel cough, as it can exacerbate the symptoms.
Instead, focus on quiet time in the backyard to use the restroom.
Dogs can generally resume normal activity after clinical signs resolve.
Additional reading: Dog Digestive System Diagram
Contagiousness of Kennel Cough
Kennel Cough, also known as CIRDC, is contagious to other dogs. Many dogs are vaccinated for kennel cough, especially if they have frequent contact with other dogs.
The vaccine is not 100% protective, so it's a good idea to isolate dogs showing signs of the disease and wash your hands after handling sick dogs. In fact, experts recommend isolating new arrivals in your household for 7-10 days after adoption to reduce the risk of transmitting infectious disease.
Bordetella bronchiseptica, one of the causes of CIRDC, can be contracted by cats and rarely infects a severely immunocompromised person. If someone in your family is immunocompromised, it's best to consult with your physician before adopting a new pet.
Dogs with signs of illness should not be taken to public dog places like dog parks, boarding facilities, pet stores or competitions. This is to prevent the spread of the disease.
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Veterinary Insights
CIRDc is a highly contagious respiratory disease that affects dogs, whereas Kennel Cough is a milder form of the disease.
CIRDc can cause severe pneumonia, which can be life-threatening, especially in puppies and senior dogs.
The main difference between CIRDc and Kennel Cough is the severity of the symptoms.
CIRDc can cause a range of symptoms, including coughing, sneezing, and difficulty breathing, while Kennel Cough is characterized by a mild cough that can be treated with antibiotics.
According to the American Animal Hospital Association, CIRDc is caused by the adenovirus, while Kennel Cough is caused by the Bordetella bronchiseptica bacteria.
Veterinarians recommend vaccinating dogs against CIRDc, especially if they are exposed to other dogs.
The incubation period for CIRDc is typically 2-14 days, whereas Kennel Cough has an incubation period of 3-10 days.
Symptoms of CIRDc can last for several weeks, while Kennel Cough symptoms typically resolve on their own within 7-10 days.
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Frequently Asked Questions
What is the new name for kennel cough?
The new name for kennel cough is tracheobronchitis, also known as canine infectious tracheobronchitis or Bordetellosis. This highly contagious condition affects dogs in the US.
What are the two types of kennel cough?
Kennel cough is caused by two main types of pathogens: bacterial and viral. The bacterial type is often caused by Bordetella bronchiseptica, while the viral type is typically caused by canine parainfluenza virus.
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