Sweets & Other · Food guide
Is xylitol (birch sugar) toxic to dogs?
Highly toxic. Xylitol makes blood sugar crash within minutes and can damage the liver, even in small amounts.
Not a substitute for advice from your vetUpdated Sep 26, 2026
AI imageDid your dog eat xylitol?
Call your vet or an emergency vet right away, even if your dog still seems fine. Don't try to make your dog vomit yourself. On the phone, say what your dog ate, how much, when, and how much your dog weighs.
Why xylitol is toxic to dogs
Why it's dangerous
- Found in sugar-free gum, toothpaste, candy and some peanut butters
- Also listed as E 967 or birch sugar
Keep an eye on dangerous foods
Kahuno shows you what your dog must not eat
Dogs should never eat xylitol. If the dangerous ingredient shows up in a food or snack, Kahuno shows the red safety rating the moment you log it, for everyone in the household who feeds the dog.
Frequently asked questions
What should I do if my dog ate xylitol?
Call your vet or an emergency vet right away, even if your dog still seems fine. Say what your dog ate, how much and when.
How much xylitol is toxic to dogs?
It depends on the dog, its weight and the amount, and it can't be reliably predicted. That's why the rule is: don't feed it at all.
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