Why this verdict for cats
Antifreeze is extraordinarily toxic to cats — just a few licks can be fatal, and there is a very short window to treat. Go to a vet immediately.
Warning signs to watch for
- Drunk-like wobbliness
- Drooling & vomiting
- Increased thirst
- Collapse
⚠ If your cat ate antifreeze
Act immediately — don't wait for symptoms.
- Call your vet or a pet poison helpline right away.
- Note how much was eaten and when.
- Do not induce vomiting unless a professional tells you to.
Poisoning emergencies are expensive
A single toxicity visit can cost hundreds. Compare pet insurance plans that cover accidents and poisoning.
Frequently asked questions
Can cats eat antifreeze?
No. Antifreeze is extraordinarily toxic to cats — just a few licks can be fatal, and there is a very short window to treat. Go to a vet immediately.
How much antifreeze can cats have?
None — antifreeze is not safe for cats and should be avoided entirely. When in doubt, ask your vet.
Is antifreeze safe for dogs too?
Verdicts can differ between species. See the dog answer for antifreeze →
More household items for cats
By the CanMyPet Editorial Team · Reviewed against ASPCA Animal Poison Control, the American Kennel Club (AKC) and Pet Poison Helpline · Last updated June 2026.
Sources
- ASPCA — People Foods to Avoid Feeding Your Pets
- American Kennel Club — Dog Nutrition
- Pet Poison Helpline — Poison List