Can dogs eat xylitol?
Last updated 2026-05-08 · Sourced from ASPCA & Merck Veterinary Manual
The short answer
No — avoid — dogs should never eat xylitol. extremely toxic, often fatal Sugar substitute used in gum, candy, peanut butter, baked goods.
Why it's dangerous
Xylitol triggers massive insulin release in dogs causing rapid hypoglycemia. Liver failure follows within 24–72 hrs. Even one piece of xylitol gum can kill a small dog.
Symptoms to watch for
Within 30 min: vomiting, weakness, collapse, seizures. Within 24–72 hrs: liver failure, jaundice, internal bleeding.
What every dog owner should know
- Hidden in: gum, mints, peanut butter, baked goods, toothpaste, vitamins, nasal sprays
- Read EVERY label — sometimes called 'birch sugar'
- If ingested: emergency vet IMMEDIATELY
- No home remedies — only IV dextrose helps
What to do if your dog ate xylitol
- Stay calm and assess how much was eaten and when.
- Call your vet or ASPCA Animal Poison Control at 888-426-4435 (consultation fee may apply).
- Alternatively, Pet Poison Helpline: 855-764-7661.
- Do not induce vomiting unless explicitly instructed by a vet.
- Have product packaging or the food itself ready to describe to the vet.
Puppy safety
Xylitol is even more dangerous for puppies than adult dogs. Their smaller body weight means the same amount delivers a much higher toxic dose per pound. Their developing organs are also less able to process and clear toxins. If your puppy ate any amount of xylitol, contact your vet immediately — don't wait for symptoms.
What to do if your dog ate xylitol
- Don't wait for symptoms. Some toxic effects start hours later but treatment is most effective when given early.
- Call your vet or an animal poison control hotline now:
- ASPCA Poison Control: (888) 426-4435 (fee may apply)
- Pet Poison Helpline: (855) 764-7661
- Have these details ready: your pet's weight, the amount eaten, when it happened, and any symptoms you've noticed.
- Don't induce vomiting unless the vet specifically tells you to. Inducing vomiting at home can cause aspiration in some cases.
- Save the packaging or a sample of what was eaten — this helps the vet identify ingredients.
Safer alternatives to xylitol
Looking for a safe treat? Here are vet-approved alternatives dogs can enjoy instead: