The booster vaccination schedule for adult dogs is a cornerstone of preventive medicine. We’ve compiled the essential information every pet owner should know in a Q&A format.



| Item | Vaccination Schedule | Additional Recommendations |
|---|---|---|
| Parvovirus | 3 years | Booster about 1 year after initial vaccination, then every 3 years |
| Distemper (Canine Distemper) | 3 years | Booster about 1 year after initial vaccination, then every 3 years |
| Adenovirus (CAV-2) | 3 years | Booster about 1 year after initial vaccination, then every 3 years |
| Bordetella | 1 year | Once a year recommended for dogs that go outdoors frequently; every 6 months is unnecessary |
The vaccination schedule may be adjusted by the veterinarian according to individual circumstances. Consider the frequency of outdoor activity, living environment, and health condition.
Precautions for Adverse Reactions After Vaccination
Within three days after vaccination, your pet may experience adverse reactions such as fever, shock, vomiting, diarrhea, or swelling. If you notice any of these symptoms, contact your veterinarian immediately. While most reactions are temporary and resolve within a few days, severe cases may require emergency treatment.



A veterinarian who majored in veterinary medicine at Khon Kaen University, Thailand, and completed the IVSA program at North Carolina State University in the United States. Drawing on clinical experience at animal hospitals, he works in the pet healthcare field and is dedicated to building a digital care environment that connects pet parents with veterinarians.
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[1] Hartmann K, Day MJ, Thiry E, et al. (2015). Feline injection-site sarcoma: ABCD guidelines on prevention and management. Journal of Feline Medicine and Surgery, 17(7), 606-613.
[2] Moore GE, Glickman LT, Davis-Wurzler GM. (2014). 2013 Update on current vaccination strategies in puppies and kittens. Veterinary Clinics of North America: Small Animal Practice, 44(2), 235-263.