Should You Vaccinate Your Adult Dog or Cat? What Pet Parents Should Know
Vaccinations are a routine part of pet care, but that doesn’t mean every dog or cat has exactly the same vaccination needs. Age, health history, lifestyle, location, and exposure to infectious diseases can all affect the conversation.
For dog parents, that can leave you with questions. Does my adult dog still need vaccines? How often should boosters be given? Are there risks to vaccination? And what should you ask your veterinarian before deciding?
TL;DR: Adult pet vaccination decisions should be based on the individual animal, not a one-size-fits-all schedule. Understanding the potential benefits, and factors that influence vaccine recommendations can help you have a more informed conversation with your veterinarian. Our Benefits and Risks of Vaccinating Your Adult Dog or Cat course can help you learn more before your next veterinary visit.
Why Do Adult Dogs and Cats Need Vaccines?
Vaccines help prepare the immune system to respond to specific infectious diseases. Some are considered core vaccines because they are generally recommended for broad groups of animals, while others may be recommended based on an individual pet’s risk of exposure.
For dogs, current AAHA guidance recommends considering core vaccines along with additional vaccines based on factors such as lifestyle, geographic location, and exposure risk.
That means your indoor companion and your dog who hikes, boards, travels, or spends time around lots of other animals may not have identical vaccination plans.
What Are the Possible Benefits of Vaccination?
The biggest benefit is disease prevention. Vaccination can reduce the risk of serious infectious diseases and can also play a role in limiting the spread of certain infections within animal populations. Rabies vaccination also has an important public health role and may be required by local law.
Still, vaccination isn’t something to approach on autopilot.
Your veterinarian may consider your pet’s previous vaccine history, current health, age, lifestyle, and potential exposure before recommending what comes next.
Are There Risks to Vaccinating an Adult Pet?
Like any medical intervention, vaccines can have adverse effects. Most vaccination decisions involve weighing those potential risks against the risk of the disease being prevented.
That’s why your pet’s individual history matters. A dog with an unknown vaccination history, for example, may need a different discussion from a healthy adult dog with a well-documented record.
Current veterinary guidelines also recognize factors that can affect vaccine response and discuss adverse events, vaccine formulation, duration of immunity, and serologic testing.
For pet parents, the takeaway is simple: don’t make the decision based on a blanket rule you found online. Bring your questions to your veterinarian.
What Should You Ask Your Veterinarian About Vaccines?
Start with the basics. Ask which vaccines your pet needs, why they’re recommended, how often they should be given, and what factors make them appropriate for your individual dog or cat.
You can also ask about your pet’s previous vaccination history and whether lifestyle changes, travel, boarding, daycare, or changes in health could affect the plan.
Those conversations become much easier when you understand the basics first.
Take Our Course: Benefits and Risks of Vaccinating Your Adult Dog or Cat
Want to feel more prepared before your next vaccine discussion?
The Benefits and Risks of Vaccinating Your Adult Dog or Cat course explores how vaccines are used, the potential effects they can have on companion animals, and factors pet owners should consider when making informed healthcare decisions. The course is taught by veterinarian W. Jean Dodds, DVM, and includes a lesson, quiz, and certificate.
Frequently Asked Questions
Should adult dogs still get vaccinated?
Many adult dogs still need recommended vaccinations. However, the specific plan should be based on the dog’s health history, lifestyle, and local requirements.
Are vaccines completely risk-free for dogs and cats?
No medical intervention is completely risk-free. Vaccine decisions involve considering potential adverse effects alongside the risks of preventable infectious diseases.
Can my dog’s lifestyle affect which vaccines they need?
Yes. Exposure risk, geographic location, travel, boarding, and other lifestyle factors can influence which vaccines are recommended.
What should I do if I don’t know my dog’s vaccine history?
Talk with your veterinarian. An incomplete or unknown history doesn’t automatically mean vaccination should be avoided, and veterinary guidelines provide recommendations for these situations.
