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My dog's preventatives are 3 days late. Is she still protected?

Updated On September 23rd, 2025

Pet's info: Dog | Black Mouth Cur | Female | spayed | 2 years and 3 months old | 50 lbs

I am going to be 3 days late giving my dog her preventives. Is this going to be okay?

1 Answer

Most Helpful Answer

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Answered By Sara Farmer, DVM

Veterinarian

Published on January 3rd, 2020

It shouldn’t be a problem for heartworm prevention, and while the length of time that the flea and tick prevention stays effective is variable as long as you don’t see fleas or ticks you should be fine.

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