🐾 PawSafe Check

Is Dog flea medicine on cats Toxic to Dogs?

No — dog flea medicine on cats is non-toxic to dogs.

Non-toxic

PawSafe Check is for general information only and is not veterinary advice. Always contact your veterinarian or a poison control service if you think your pet has been exposed.

Symptoms to watch for

Toxic parts

Spot-on products

Toxic compound

Permethrin

What to do now

  1. This is generally considered safe for dogs.
  2. Large amounts of any plant or unfamiliar food can still cause stomach upset.
  3. Call your vet if your dog seems unwell.

Good to know

Many dog spot-on flea products contain high-concentration permethrin, which causes tremors and seizures in cats. Never use dog products on cats.

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Frequently asked questions

Is dog flea medicine on cats toxic to dogs?

No — dog flea medicine on cats is non-toxic to dogs. Many dog spot-on flea products contain high-concentration permethrin, which causes tremors and seizures in cats. Never use dog products on cats.

What are the symptoms of dog flea medicine on cats poisoning in dogs?

Tremors. Twitching. Seizures. Drooling.

What should I do if my dog ate dog flea medicine on cats?

This is generally considered safe for dogs. Large amounts of any plant or unfamiliar food can still cause stomach upset. Call your vet if your dog seems unwell.

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