My dog ate rat and mouse bait—what should I do?

Updated 2026-09-30 · 2 sources

Based on: US FDA – Center for Veterinary Medicine, Pet Poison Helpline

Call a vet now

Call your vet or the nearest emergency vet right now. Some rat and mouse baits contain toxic active ingredients with different poisoning mechanisms.

What to do right now

  1. Call your vet or the nearest emergency vet.
  2. Note what, how much and when your dog ate.
  3. Bring the packaging.
  4. Keep your pet calm.
  5. Remove what is left.

Don't

  • Do not make your pet vomit unless a vet tells you to.
  • Do not give your pet any human medicine.

Why it can be dangerous

Rat and mouse bait can contain several toxic active ingredients, including long-acting anticoagulants, cholecalciferol, bromethalin and phosphides.[2] Each active ingredient has a different mechanism of poisoning and requires specific treatment for pets that ingest an overdose.[2]

Signs to watch for

  • Vomiting
  • Diarrhea
  • Coma
  • Difficulty breathing
If your pet is struggling to breathe, has collapsed, is having a seizure or can't stand up: go to the nearest vet now.

Not sure how serious it is?

OkPaw asks a few quick questions about your pet and tells you in 30 seconds whether it can wait. Free on Google Play for Android.

Get it on Google Play

OkPaw is on Android now – an iPhone version is on its way.

Common questions

How much is dangerous?

An overdose can require specific treatment for pets that ingest it.[2]

What toxic ingredients may be in rat and mouse bait?

Common toxic active ingredients include long-acting anticoagulants, cholecalciferol, bromethalin and phosphides.[2]

Do all baits poison pets in the same way?

No. Each active ingredient has a different mechanism of poisoning.[2]

Sources

  1. US FDA – Center for Veterinary Medicine
  2. Pet Poison Helpline

How this page was made: written with the help of AI from the sources below, then checked claim by claim against those sources. Urgency levels follow OkPaw’s fixed safety rules. It is guidance, not a diagnosis. How we write our pages

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