Toxic to cats · Chemicals

Is Bromethalin toxic to cats?

Extreme severity No safe amount — No amount is considered safe.

Yes. Even a small amount can be life-threatening — treat any exposure as an emergency and contact a vet immediately.

Symptoms to watch for

  • Lethargy
  • Weakness
  • Incoordination
  • Ataxia
  • Tremors
  • Seizures
  • Paralysis
  • Vomiting
  • Anorexia
  • Altered mentation
  • Death

How vets treat it

Decontamination, IV fluids, and specific drugs to decrease brain swelling. There is no specific antidote.

Why it's dangerous

Bromethalin causes swelling of the brain (cerebral edema) which leads to severe neurological dysfunction and potential death.

Toxic compound: Bromethalin

Good to know

Cats are more sensitive than dogs. This substance has a narrow margin of safety and does not cause bleeding like anticoagulant rodenticides.

Sources

This page is informational and is not veterinary advice. If your pet has been exposed to something risky, contact your vet or an animal poison control line right away.

More substances toxic to cats

Antifreeze Extreme severity Carbamates Extreme severity Cholecalciferol Extreme severity Gasoline Extreme severity Everything toxic to cats →

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