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Vaccination

What vaccines do dogs need? 7 Essential Dog Vaccines

By April 1, 2025May 16th, 2025No Comments

As a pet owner, keeping your furry friend healthy means staying on top of their preventative care, and dog vaccines play a crucial role in this process. Dog vaccines help protect your pet from infectious diseases that can impact their quality of life.

At Citrus Heights Pet Hospital, we create personalized vaccination plans based on your dog’s age, health status, and lifestyle factors. Visit us today to ensure your four-legged family member receives the protection they need for a long, healthy life.

7 Essential Dog Vaccines

Rabies Vaccine

The rabies vaccine protects against a deadly virus that attacks the central nervous system and is fatal once symptoms appear. These dog vaccines are legally required in most states since rabies can also be transmitted to humans. Initial vaccination typically occurs at 12-16 weeks of age, followed by a booster one year later, and then every 1-3 years, depending on local regulations.

Distemper Vaccine

The canine distemper virus vaccine guards against a highly contagious viral disease that affects a dog’s respiratory, gastrointestinal, and nervous systems. This serious illness has no cure. It can be fatal in 50% of adult dogs and 80% of puppies who contract it. Distemper vaccination is considered a core vaccine and is typically administered as part of a combination vaccine called DHPP.

Parvovirus Vaccine

The parvovirus vaccine protects against a highly contagious virus that causes severe bloody diarrhea, vomiting, and dehydration. Parvovirus is dangerous for puppies and can lead to death if left untreated within 48-72 hours after symptoms appear. The vaccine is extremely effective and is considered essential for all dogs regardless of lifestyle.

Canine Hepatitis Vaccine

Canine hepatitis is a viral disease that affects the liver, kidneys, and blood vessels. This disease can range from mild to fatal, with severe cases causing death within 24-36 hours. The vaccine is typically included in the combination DHPP vaccine and provides long-lasting immunity.

Bordetella Vaccine

The Bordetella vaccine protects against kennel cough, a highly contagious respiratory infection. This vaccine is especially important for dogs that frequent dog parks, boarding facilities, groomers, or training classes. The vaccine may be administered as an injection, a nasal spray, or an oral medication, depending on your veterinarian’s recommendation.

Leptospirosis Vaccine

The leptospirosis vaccine guards against a bacterial infection that can damage the liver and kidneys. Dogs can contract leptospirosis from contaminated water or soil or the urine of infected animals. This vaccine is often recommended for dogs who spend time outdoors, especially near wildlife or standing water.

Canine Influenza Vaccine

The canine influenza vaccine protects against dog flu, a highly contagious respiratory infection. There are two strains of canine influenza (H3N8 and H3N2), and vaccination may be recommended for dogs in areas with outbreaks or those who frequent settings with many other dogs. This non-core vaccine may be advised based on your dog’s risk of exposure.

Are yearly dog vaccines really necessary?

Yes, some dog vaccines require annual boosters while others protect for longer periods. The frequency depends on the specific vaccine, your dog’s risk factors, and local regulations. Modern veterinary medicine has developed protocols that balance disease protection with avoiding over-vaccination.

5 Factors that May Affect the Frequency of Dog Vaccines

  • Age: Puppies require a series of initial vaccines to build immunity, while adult dogs may need boosters less frequently. Senior dogs may have different vaccination needs based on their immune system function and lifestyle changes.
  • Health status: Dogs with compromised immune systems or certain medical conditions may need adjusted vaccination schedules. Your veterinarian will consider your pet’s overall health when determining the appropriate timing for dog vaccines.
  • Lifestyle and environment: Dogs who frequently visit dog parks, boarding facilities, or groomers have higher exposure risks. They need more comprehensive vaccination coverage than dogs who rarely interact with other animals.
  • Geographic location: Some diseases are more prevalent in certain regions, which may influence which non-core vaccines are recommended. Your vet will know which diseases are common in your area.
  • Local regulations: Rabies vaccination frequency is legally mandated and varies by state and local jurisdictions, typically requiring boosters every 1-3 years.

What is The Proper Vaccination Schedule For a Dog

Following a proper vaccination schedule is critical for building and maintaining your dog’s immunity against dangerous diseases. Puppies are particularly vulnerable because the maternal antibodies they receive after birth gradually decrease. Following the recommended timing ensures dog vaccines are administered when they’ll be most effective. Additionally, staying on schedule helps maintain continuous protection without dangerous gaps in immunity.

  • 6-8 weeks: Initial DHPP (distemper, hepatitis, parainfluenza, parvovirus) vaccine to begin building immunity against these common diseases. This marks the beginning of a puppy’s series of vaccinations.
  • 10-12 weeks: Second DHPP vaccine booster to continue developing immunity. Additional non-core dog vaccines may be started at this time, depending on your puppy’s risk factors.
  • 16-18 weeks: Third DHPP vaccine and first rabies vaccine. This critical visit often completes the puppy series for core vaccines and establishes baseline protection.
  • 12-16 months of age: Booster shots for DHPP and rabies vaccines to strengthen and extend immunity. This visit transitions your dog from puppy to adult vaccination schedules.
  • Adult (1-7 years): Core dog vaccines are typically administered every 1-3 years, depending on the vaccine type and your dog’s risk factors. Your vet will create a personalized schedule.
  • Senior (7+ years): Continued vaccination based on risk assessment, with possible adjustments for age-related health concerns. Senior dogs may require different vaccination protocols based on their health status.
  • Lifestyle-dependent dog vaccines: Non-core dog vaccines like Bordetella may be given more frequently (every 6-12 months) for dogs with high exposure risk. These schedules are tailored to your dog’s specific needs.

What Happens if I Don’t Vaccinate My Dog

Risk of Serious Illness or Death

Unvaccinated dogs are vulnerable to potentially fatal diseases like distemper, parvovirus, and rabies. These diseases can cause severe suffering, require expensive treatments, and still result in death despite medical intervention. Preventable diseases often progress quickly, giving owners little time to seek treatment before permanent damage or death occurs.

Legal Consequences

Failing to vaccinate your dog against rabies can result in legal penalties, including fines and quarantine requirements. In case of a bite incident, unvaccinated dogs may be subject to strict quarantine periods or even euthanasia, depending on local regulations.

Community Health Threats

Unvaccinated dogs can serve as disease reservoirs, putting other pets and humans at risk. This is especially concerning for zoonotic diseases like rabies and leptospirosis that can be transmitted from animals to people. By choosing not to vaccinate, you may be contributing to the spread of preventable diseases in your community.

Limited Access to Services

Many dog-related services, including boarding facilities, groomers, training classes, and dog parks, require proof of vaccination. Without proper vaccination records, your dog will be denied access to these services. This can significantly limit your dog’s socialization opportunities and your ability to travel or make arrangements for your pet’s care when needed.

What to Expect After Administering Dog Vaccines

  • Mild lethargy or decreased appetite: Many dogs may seem slightly tired or less interested in food for 24-48 hours after vaccination. These mild symptoms are a normal immune response and typically resolve quickly.
  • Localized swelling or tenderness: Some dogs develop mild swelling or sensitivity at the injection site, which usually disappears within a few days. You can apply a cool compress to the area if your dog seems uncomfortable.
  • Low-grade fever: A slight temperature elevation is a normal immune response and usually resolves on its own within 24-48 hours. Monitor your pet for other symptoms that might indicate a more serious reaction.
  • Rare allergic reactions: Watch for hives, facial swelling, vomiting, diarrhea, difficulty breathing, or collapse, which may indicate an allergic reaction. These symptoms typically occur within minutes to hours after vaccination and require immediate veterinary care.
  • Temporary behavior changes: Some dogs may seem clingy, while others prefer to be left alone after vaccination. Respect your dog’s preferences and provide a quiet, comfortable space for recovery.
  • Protection development time: Immunity doesn’t develop immediately after vaccination. It typically takes 10-14 days for your dog’s immune system to respond fully to the vaccine and provide protection.

Conclusion

Dog vaccines are an essential component of responsible pet care. By following a proper vaccination schedule tailored to your dog’s specific needs, you shield your pet from deadly diseases and contribute to the safety of your pet community. Remember that vaccination requirements may change throughout your dog’s life based on age, health status, and lifestyle factors.

Ready to ensure your dog has proper protection? Schedule an appointment with us at Citrus Heights Pet Hospital today. For more pet care tips and updates, follow us on Facebook, where we regularly share valuable information to help keep your four-legged family members happy and healthy.

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