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Missed dog booster shot? Can Petco still vaccinate & test for heartworm?

Updated on September 23rd, 2025

Pet's info: Dog | Mixed Breed Large (61lb +) | Female | spayed | 6 months and 23 days old | 65 lbs

My almost 7 month old dog had her first round of shots at Petco on November 5th. She was supposed to get her booster for Canine 6-in-1 (DA2HPP+ Lepto) Vaccination on December 3rd but I forgot until today. If I go this Sunday, December 17th is that okay? What will happen? Also, we haven't started treating for Heartworm yet . Does Petco test for heartworm and do they sell prescriptions that I can get done at the same time this Sunday?

1 Answer

Most Helpful Answer

Kevin Sanada, DVM

Answered By Kevin Sanada, DVM

Veterinarian

Published on December 11th, 2017

No worries, it's easy to forget these things and happens all the time. It will be perfectly fine for her to get vaccinated anytime from now on and you can make an appointment for Sunday.

Petco does test and treat for heartworm, so you will definitely be able to get that done at the same time as the vaccine. Just make sure to let the receptionist know that you will be requiring this as well when you make your appointment.

I hope that helps and all is well with Cady.
Vote Icon1Pet Parents found this answer helpful

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