Why this verdict for dogs
Antifreeze (ethylene glycol) tastes sweet but is one of the deadliest poisons for dogs — even a small amount causes fatal kidney failure. Speed is everything.
Warning signs to watch for
- Wobbly, drunk-like walk
- Excessive thirst & urination
- Vomiting
- Later: not urinating
⚠ If your dog 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 dogs eat antifreeze?
No. Antifreeze (ethylene glycol) tastes sweet but is one of the deadliest poisons for dogs — even a small amount causes fatal kidney failure. Speed is everything.
How much antifreeze can dogs have?
None — antifreeze is not safe for dogs and should be avoided entirely. When in doubt, ask your vet.
Is antifreeze safe for cats too?
Verdicts can differ between species. See the cat answer for antifreeze →
More household items for dogs
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