Petco Text Logo
Petco Pet Logo

My 4-month-old puppy hasn't been dewormed. Is it too late to start?

Updated On September 23rd, 2025

My dog is 4 months old and has never been dewormed. Is it too late to start? If not how often should I deworm her from now on?

1 Answer

Most Helpful Answer

Image profile

Answered By Emily Fukuzato, DVM

Veterinarian

Published on April 10th, 2019

Hello, this is a great question for your puppy. It is not too late for parasite control. Given his age and history of no dewormer it is recommended to take a fresh stool sample to your veterinarian. They will evaluate for what specific types of internal parasites he may have and get him started at least on a general dewormer. The dosing schedule and frequency of the dewormer will be deterimined by your veterinarian and the results of the fecal analysis. Thank you.

Vote icon

11Pet Parents found this answer helpful

image
Have A Vet Question?

Book an appointment with the pros – our expert vets are here to help.

Sponsored