Many "organic" essential oils are toxic to cats. Many dog-safe chemicals kill fish. Enter an ingredient to check before you spray.
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Disclaimer: This database is for educational purposes only and not veterinary advice. If your pet has ingested a chemical, contact a vet or Poison Control immediately.
Cats lack a specific liver enzyme (glucuronyl transferase) making them unable to break down certain chemicals that are perfectly safe for humans and dogs.
Permethrin is the #1 offender. It is commonly found in "Dog Advantix" and yard sprays. It causes severe seizures in cats.