Why it's dangerous
Propylene glycol is a synthetic liquid that absorbs water and can cause poisoning when ingested in large amounts, with cats being particularly sensitive to its effects.
Toxic compound: Propylene glycol
Good to know
Commonly found in 'pet-safe' antifreeze, RV/marine antifreeze, and as a solvent in medications like injectable diazepam. It is no longer allowed in cat foods due to species sensitivity.
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.
