I accidentally used a dog flea spray with permethrin on my cat, what should I do?

Earlier today, I used a flea spray meant for dogs on my cat by mistake. Afterwards, I noticed the fine print stating that it contains permethrin, which I've heard can be harmful to cats. She's acting normal right now, but I'm really worried about any potential side effects. What should I be doing to ensure she's safe, and should I take her to the vet immediately?

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Answer

You’ve applied a dog flea spray containing permethrin on your cat, which can be toxic, but she's acting normal so far. It's understandable to be concerned and it’s best to act cautiously.

  • Permethrin is toxic to cats and can cause serious health issues.
  • Monitor your cat for any signs of distress or unusual behavior.
  • Consult a veterinarian to ensure your cat's safety and well-being.

It’s important to note that permethrin, found in some dog flea sprays, is highly toxic to cats. Cats have a different metabolism from dogs and cannot properly break down this chemical, potentially leading to symptoms such as drooling, tremors, or seizures. Since your cat is acting normal right now, that’s a positive sign, but continue to monitor her closely for any changes. If you observe any symptoms such as hyperactivity, drooling, tremors, or seizures, contact a veterinarian immediately. It may also be helpful to bathe your cat with mild dish soap to remove any residue from the fur. However, I recommend talking to a vet for specific guidance.

If this is an emergency, please seek immediate veterinary care.

Book a consultation with a licensed vet at Dial A Vet for just $49 AUD if you're unsure or symptoms are getting worse.

Frequently Asked Questions

  • Why is permethrin dangerous for cats?

    Cats lack the necessary enzymes to safely break down permethrin, making them more susceptible to its toxic effects compared to dogs. Even small amounts can cause severe reactions.

  • What symptoms should I watch for after exposure?

    Signs of permethrin toxicity in cats include drooling, tremors, seizures, vomiting, and lack of coordination. Immediate veterinary attention is required if any of these symptoms occur.

  • Can I prevent this kind of accident in the future?

    To prevent similar accidents, always read labels carefully, and store pet medications separately by species. Consider consulting your vet for appropriate flea treatment options for all your pets.

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