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How long after Benadryl can I give my dog Robitussin safely?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Large (61lb +) | Female | spayed | 90 lbs

How long do i need to wait to give my dog robatussin after i gave her benadryl

1 Answer

Most Helpful Answer

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Answered By Laura Johnson VMD

Veterinarian

Published on November 27th, 2017

Hi, thanks for using Petco Pet Education Center, formerly Petcoach! I'm assuming your Vet approved the use of Robatussin for Syren. Using it is off label use in dogs and can only be prescribed by a Vet that has examined Syren. Be sure the Robatussin doesn't contain any additional ingredients that are toxic to dogs. There are many types of Robatussin and some can not be given to dogs. Benadryl and Robatussin do not interact so they can be given together or separately. I hope this helps and I wish Syren the best

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