Can dogs eat xylitol?
UNSAFE Category: Sweetener · Source verified September 2026
Xylitol is extremely dangerous for dogs even in tiny amounts. It triggers a rapid insulin release that crashes blood sugar within 10 to 60 minutes, and larger doses cause acute liver failure. It hides in sugar-free gum, peanut butter, baked goods and oral care products — always check labels before sharing anything sweet.
How much is dangerous?
- Doses above ~100 mg per kg of body weight (45 mg/lb) risk dangerous hypoglycemia; above ~500 mg/kg (227 mg/lb), acute liver failure becomes a risk.
- Xylitol content varies enormously between products and brands, so do not try to estimate at home — call poison control with the package in hand.
- Peanut butter, baked goods, toothpaste and some medications are common hidden sources; in Europe, labels may list it as “birch sugar”.
Dose data: Merck Veterinary Manual: Xylitol Toxicosis in Dogs.
Symptoms to watch for
- vomiting
- loss of coordination
- collapse
- seizures
- jaundice
Hypoglycemia can hit within 30 minutes of ingestion; with slow-absorbing products like gum, signs can be delayed up to 12–18 hours.
If you suspect poisoning: call your vet or the ASPCA Animal Poison Control Center at (888) 426-4435 (available 24/7). Do not induce vomiting unless instructed by a professional.
Quick answers
Can dogs eat xylitol?
No. Xylitol is extremely dangerous for dogs even in tiny amounts. It triggers a rapid insulin release that crashes blood sugar within 10 to 60 minutes, and larger doses cause acute liver failure. It hides in sugar-free gum, peanut butter, baked goods and oral care products — always check labels before sharing anything sweet.
How much xylitol is toxic to a dog?
Blood-sugar risk starts at roughly 100 mg per kg of body weight (45 mg/lb), and liver-failure risk at about 500 mg/kg. Because xylitol content varies hugely between products, treat any ingestion as an immediate call to your vet or ASPCA poison control.
What are the symptoms if my dog eats xylitol?
Watch for vomiting, loss of coordination, collapse, seizures, jaundice. Hypoglycemia can hit within 30 minutes of ingestion; with slow-absorbing products like gum, signs can be delayed up to 12–18 hours. When in doubt, call your vet.
What should I do if my dog ate xylitol?
Call your veterinarian or the ASPCA Animal Poison Control Center at (888) 426-4435 right away. Do not wait for symptoms — early treatment is dramatically cheaper and safer.
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Source: ASPCA Animal Poison Control. This page is informational and is not veterinary advice.