Toxic to dogs · Toxic gases

Is Carbon Monoxide toxic to dogs?

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

  • neurologic impairment
  • altered mentation
  • seizures
  • coma
  • deafness
  • difficulty breathing
  • acute death

How vets treat it

Immediate oxygen therapy along with aggressive symptomatic and supportive care.

Why it's dangerous

Carbon monoxide binds to red blood cells, preventing them from carrying oxygen and leading to cellular hypoxia, which severely affects the heart and central nervous system.

Toxic compound: Carbon monoxide

Good to know

Carbon monoxide is produced from fires, car exhaust, and generators; it is also highly poisonous to humans.

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 dogs

Smoke Inhalation Extreme severity Everything toxic to dogs →

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