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Dog puked after dewormer. Is it still effective or needs redosing?

Updated On September 23rd, 2025

Pet's info: Dog | Yorkshire Terrier | Male | unneutered | 2 months and 28 days old | 5 lbs

My dog puked after liquid dewormer (puking due to car sickness) I’m worried the dewormer wasn’t affective??

1 Answer

Most Helpful Answer

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Answered By Lauren Kennedy, DVM

Veterinarian

Published on November 1st, 2017

If your dog vomited more than an hour after the medication was given it is probably OK and in his system. However, if the dog vomited before an hour had passed then you will need to redose your dog with another round of dewormer. This medication is very safe and redosing should not cause a problem. I hope this helps. Thanks for using Petco Pet Education Center, formerly Petcoach. Best of luck

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