Is Dog flea medicine on cats Toxic to Cats?
Yes — dog flea medicine on cats is toxic to cats.
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
- Tremors
- Twitching
- Seizures
- Drooling
Toxic parts
Spot-on products
Toxic compound
Permethrin
What to do now
- Call your vet or a pet poison control line immediately — don't wait for symptoms.
- Do not induce vomiting unless a vet tells you to.
- Bring the plant, label or packaging with you so the vet knows exactly what your cat ate.
- Note roughly how much was eaten and when.
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 cats?
Yes — dog flea medicine on cats is toxic to cats. 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 cats?
Tremors. Twitching. Seizures. Drooling.
What should I do if my cat ate dog flea medicine on cats?
Call your vet or a pet poison control line immediately — don't wait for symptoms. Do not induce vomiting unless a vet tells you to. Bring the plant, label or packaging with you so the vet knows exactly what your cat ate. Note roughly how much was eaten and when.
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