Is Windshield Wiper Fluid toxic to dogs?

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

Yes, Windshield Wiper Fluid is extremely toxic to dogs. Even a small amount can be life-threatening, so treat any exposure as an emergency and contact a vet immediately. No amount is considered safe.

Symptoms to watch for

Lethargy
Incoordination
Disorientation
Tremors
Vomiting
Low blood sugar (hypoglycemia)
Low blood pressure
Respiratory failure
Seizures

How vets treat it

Methanol poisoning is not treated with fomepizole or ethanol; immediate veterinary intervention is required for supportive care and management of symptoms.

Why it's dangerous

Methanol causes central nervous system depression similar to ethanol poisoning, leading to metabolic disturbances and potential respiratory failure.

Toxic compound: Methanol

Good to know

Unlike in humans, blindness typically does not occur in dogs and cats from methanol poisoning. It can also be found in model airplane fuel, paint removers, and varnish.

Sources

Pet Poison Helpline

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.

The StrawPaw Team · How we prepare our guides

More substances toxic to dogs

Kerosene High severity Antifreeze Extreme severity Bromethalin Extreme severity Mouse and Rat Poison Extreme severity Everything toxic to dogs →

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