Safety guide

Is Paracetamol (Acetaminophen) safe for dogs?

Toxic — emergency

Paracetamol/acetaminophen (Tylenol) causes liver failure in dogs.

Paracetamol is extremely toxic to dogs. It causes liver damage and prevents haemoglobin from carrying oxygen. Even one regular-dose tablet can be dangerous for a small dog.

Symptoms to watch for

  • Vomiting
  • Lethargy
  • Facial swelling
  • Brown/blue gums
  • Difficulty breathing

What to do immediately

  1. 1Call your vet or emergency animal hospital immediately
ASPCA Poison Control · 1-888-426-9738

Available 24/7. A consultation fee may apply.

When to call your vet

Your dog ate any paracetamol or acetaminophen product.

Sources: ASPCA · Merck Veterinary Manual

For guidance only — this doesn't replace veterinary advice. When in doubt, contact your vet.

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