How much xylitol is toxic to dogs?

As little as 0.1 g per kg of body weight can cause hypoglycaemia. Higher doses risk acute liver failure. Because xylitol content varies by product, treat any known ingestion as an emergency.

What are symptoms of xylitol poisoning in dogs?

Vomiting, weakness, stumbling, seizures, and collapse from low blood sugar can appear within 30 minutes to 12 hours. Liver failure signs may develop one to three days later.

What products contain xylitol?

Sugar-free gum, mints, peanut butter, baked goods, toothpaste, mouthwash, vitamins, and some medications. Always check labels before giving human products to dogs.

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Xylitol poisoning in dogs

Quick answer

Xylitol causes a dangerous insulin surge in dogs, leading to **potentially fatal hypoglycaemia and liver failure**. It appears in sugar-free gum, peanut butter, baked goods, and many household products. If your dog ate anything containing xylitol, call your vet or **Animal PoisonLine on 01202 509000** immediately — do not wait for symptoms.

Key takeaways

Xylitol triggers a dangerous insulin surge in dogs — as little as about 0.1 g/kg can cause hypoglycaemia; higher doses risk acute liver failure.
Common UK sources include sugar-free gum, some peanut butters, toothpaste, and sugar-free sweets — always check labels.
Call your vet or Animal PoisonLine (01202 509000) immediately with the product and amount — do not wait for symptoms.

The full guide

Causes, symptoms, treatment options and when to call your vet — in the complete plain-English guide.

Read: Xylitol Poisoning in Dogs Check symptoms

Frequently Asked Questions

How much xylitol is toxic to dogs?: As little as 0.1 g per kg of body weight can cause hypoglycaemia. Higher doses risk acute liver failure. Because xylitol content varies by product, treat any known ingestion as an emergency.
What are symptoms of xylitol poisoning in dogs?: Vomiting, weakness, stumbling, seizures, and collapse from low blood sugar can appear within 30 minutes to 12 hours. Liver failure signs may develop one to three days later.
What products contain xylitol?: Sugar-free gum, mints, peanut butter, baked goods, toothpaste, mouthwash, vitamins, and some medications. Always check labels before giving human products to dogs.