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Xylitol

Quick answer

A sugar substitute highly toxic to dogs (and risky for cats). Causes rapid insulin release and can lead to liver failure — common in sugar-free gum, peanut butter and baked goods. Emergency — phone your vet immediately even if your dog seems well.

Definition

A sugar substitute highly toxic to dogs (and risky for cats). Causes rapid insulin release and can lead to liver failure — common in sugar-free gum, peanut butter and baked goods.

Symptoms

  • Vomiting
  • Weakness and collapse
  • Seizures from low blood sugar
  • Jaundice if liver damaged
  • Bleeding problems

When to see a vet

Emergency — phone your vet immediately even if your dog seems well. Effects can be delayed; bring the product packaging.

Related guides & tools

Related topics

  • Sugar-free gum(Substance)
  • Animal PoisonLine(ContactPoint)

Frequently Asked Questions

What is Xylitol?
A sugar substitute highly toxic to dogs (and risky for cats). Causes rapid insulin release and can lead to liver failure — common in sugar-free gum, peanut butter and baked goods.
What are the symptoms of xylitol?
Common signs include Vomiting, Weakness and collapse, Seizures from low blood sugar, Jaundice if liver damaged. This is not a complete list — individual pets vary. See linked guides for fuller context.
When should I see a vet about xylitol?
Emergency — phone your vet immediately even if your dog seems well. Effects can be delayed; bring the product packaging.