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My dog ate rat poison. How long until she's safe from toxicity?

Updated On September 23rd, 2025

Pet's info: Dog | German Shepherd | Female | unspayed | 6 years and 11 months old | 60 lbs

Last night my dog ate a 1oz block of rat poison containing bromethalin. We induced vomit and she threw up some of it. We called our vet this morning and she told us to give her lots of liquids to flush her system out. She's not acting any differently from normal, shes eating, drinking, and playing. How long until we are in the clearing and we'll know she's 100% fine?

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3 Answers

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on February 9th, 2019

It can take between 1-7 days for signs of toxicity to occur, so you won't know if Bella is safe until about a week later. Keep an eye on her for signs of toxicity which include muscle tremors, hyper excitability, seizures, depression, hindlimb weakness, and ataxia. If you see any of those signs, rush her into a vet immediately. Best of luck.

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    Answered By Dr. Melanie, BVSc MS

    Veterinarian

    Published on April 4th, 2018

    It can take up to three or four days for symptoms of rat poison to show, so it's certainly still possible that Bella could be poisoned if she ate the rat poison. Without knowing the active ingredient in the poison, I can't say what signs specifically to look for, but I can say that she should see a vet immediately. If there is any chance at all she ingested this toxin, she needs to be treated by a vet now to be safe. Please bring her and the box of rat poison into a vet immediately. Best of luck!

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    Answered By Dr. Melanie, BVSc MS

    Veterinarian

    Published on December 26th, 2018

    Yes, you can have a dog vomit it completely and not have any effects, but to be safe, I'd take Winston into a vet now to get checked out. It can take days for signs of rat poisoning to appear. Best of luck.

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