My cat ate propylene glycol – what should I do?

Updated 2026-09-30 · 1 sources

Based on: Pet Poison Helpline

Call a vet today

Call your vet today for advice – don't wait until signs appear. High-concentration antifreeze products containing propylene glycol are dangerous and can lead to neurological signs rapidly.

What to do right now

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

Don't

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

Why it can be dangerous

Low-concentration propylene glycol in cosmetics or prepared foods is generally recognized as safe for pets.[1] Antifreeze products containing a high concentration of propylene glycol are dangerous and can lead to rapid neurological signs.[1]

Signs to watch for

  • Anemia
  • Sedation

Signs can begin rapidly after ingestion of antifreeze products containing a high concentration of propylene glycol.

Where it is found

  • Cosmetics
  • Prepared foods
  • Antifreeze products
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

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Common questions

How much propylene glycol is dangerous?

Antifreeze products containing a high concentration of propylene glycol are dangerous; low-concentration propylene glycol in cosmetics or prepared foods is generally recognized as safe for pets.[1]

Which signs should I watch for?

Rapid neurological signs can occur after ingestion of antifreeze products containing a high concentration of propylene glycol.[1]

What should I do now?

Call your vet or the nearest emergency vet, note what, how much and when, and bring the packaging.

Sources

  1. 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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