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Puppy vaccine schedule: Is a 4th shot needed if given too early?

Updated On September 23rd, 2025

Pet's info: Dog | Goldendoodle | Female | 3 months old

hi, i have a 13 week puppy born on 7th July. She had her DA2ppV on 8/18 and 8/27 from the vet through her breeder. She had DHPP on 9/28 by our vet. Our vet here said my pup needs another on 10/19. Is this correct? I thought only three are required but my vet is saying the first was given too early...Thanks for your advice

2 Answers

Most Helpful Answer

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Answered By Linda G, MS, DVM

Veterinarian

Published on October 12th, 2018

Hello. Your veterinarian is correct. The first vaccination was done at too young an age to promote immunity. No harm was done & this is a common practice with breeders who vaccinate so early. To promote the best immunity, vaccines are administered at 8, 12 & 16 weeks of age, then again in 1 year. Vaccines should be administered as recommended by your veterinarian after the one year boosters. So yes, Maple should receive one more booster vaccination. Thanks for using Petco Pet Education Center, formerly Petcoach.

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    Answered By Dr. Melanie, BVSc MS

    Veterinarian

    Published on

    I agree with your vet, the first vaccine was given too early. Puppies should not be vaccinated until they are at least six to eighth weeks of age, and they need to be given four weeks apart in order to be effective. I would follow your vet's recommendations. I hope this helps!

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