Can Indoor Dogs Get Distemper? Understanding the Risks and Prevention
Many dog owners assume that keeping their pets indoors shields them from all infectious diseases. However, this is not entirely true, especially when it comes to canine distemper—a highly contagious and potentially deadly viral illness. Even mostly indoor dogs are at risk if the appropriate preventive measures are not taken.
What Is Canine Distemper?
Canine distemper is caused by the canine distemper virus (CDV), which affects not only dogs but also wild mammals like foxes, raccoons, and skunks. This virus targets the respiratory, gastrointestinal, and nervous systems, leading to a wide array of symptoms—and possibly death.
How the Virus Spreads
The virus is primarily airborne, transmitted through respiratory droplets from infected animals via coughing, sneezing, or barking. However, it can also be spread by:
- Shared food and water bowls
- Contaminated items like toys or bedding
- Contact with wildlife that harbor the virus
- Exposure at vet clinics, grooming salons, or boarding facilities
Infected animals can shed the virus for months, making it dangerously easy to contract—even indirectly.
Are Indoor Dogs at Risk?
Yes, indoor dogs are still at risk. While they may not roam freely outdoors, they can still be exposed to the virus through:
- Visitors or family members who unknowingly carry the virus on their clothes or shoes
- Scheduled vet visits or trips to pet grooming centers
- Contact with other pets in multi-pet households
- Exposure to wildlife through open windows or yards
Lack of proper vaccination is the most important risk factor. Puppies and unvaccinated adult dogs are especially vulnerable.
Symptoms of Canine Distemper
The clinical signs of distemper evolve as the disease progresses, affecting different body systems. Early symptoms include:
- Eye and nose discharge
- Fever
- Lethargy and reduced appetite
- Coughing and vomiting
- Diarrhea
As the virus spreads to the nervous system, dogs may develop:
- Muscle twitching and seizures
- Head tilt and paralysis
- Jaw chewing fits (known as "chewing gum fits")
- Hardening of nose or footpads ("hard pad disease")
Survivors may have permanent neurological damage. Mortality rates can reach up to 50% or more.
No Cure, Only Supportive Care
There is no specific cure for distemper. Treatment revolves around supportive care to manage symptoms and prevent complications:
- IV fluids for dehydration
- Medications to control vomiting, diarrhea, seizures
- Antibiotics to prevent secondary bacterial infections
Infected dogs must be immediately isolated to prevent the virus from spreading to others.
Prevention: Vaccination Is Key
The most effective way to protect your pet is through vaccination. The canine distemper vaccine is a core vaccine, included in DHPP, DAPP, or DA2PP combination shots. These vaccines protect against multiple viruses.
Vaccination Schedule:
- Puppies: Begin at 6–8 weeks old
- Booster shots: Every 2–4 weeks until 14–16 weeks of age
- Adult dogs: Booster one year after puppy series, then every three years
Follow your veterinarian's schedule closely, especially since maternal antibodies can interfere with early immune responses.
Other Preventive Measures
In addition to vaccination, you can further reduce your dog’s risk by:
- Keeping their environment clean and free of other animals’ waste
- Discouraging wildlife from entering your yard
- Using reputable grooming and boarding services
- Ensuring all pets in the home are vaccinated
Vaccine Side Effects and Cost
Most DHPP/DAPP/DA2PP vaccines cause only mild and short-lived side effects like:
- Soreness at the injection site
- Temporary lethargy
- Mild fever
Rare but serious reactions require immediate vet care. Shots typically cost $25–$50 per dose, and many pet wellness plans include them.
Conclusion
While indoor living reduces some threats to your dog’s health, it does not eliminate them. Canine distemper is a serious viral illness that can affect any dog, regardless of lifestyle. Vaccination remains the most powerful tool in keeping your pet safe and healthy. Make sure your indoor dog is up to date on all core vaccines and minimize exposure to high-risk areas until fully protected.





