My cat is scratching after flea medicine. Is it ineffective or toxic?

Question

This appeared last week he was scratching. The flea medication I put them on might not have bee and effective and the ones I normally use. I also changed there food but my older cat is fine. Pet's info: Cat | Mixed Breed | Male | unneutered | 10 months and 24 days old | 15 lbs

Sabina Snyder, Specialty Surgery Technician · Accepted Answer

It really depends... some over the counter flea medications can cause allergic reactions. This could be what is going on. I personally never recommend using anything you can buy at the store/Petsmart/etc for cats because most of it contains pyrethrin which is an actual insecticide. It can be highly toxic. I always recommend getting flea control from your vet for two reasons: 1. You know its safe. Manufactures guarantee their products when they are purchased at a Vet. They don't when they are purchased elsewhere. 2. You can get better options. Your vet will carry things like Revolution, which not only protects against fleas, but also ear mites, intestinal worms and heartworms, which can be fatal to cats! If this issue persists, or gets worse, please go see your vet right away. If you are concerned that the product you used may have harmed your cat, give him a bath with Dawn dish soap. Good luck and feel free to consult with me privately if you have any follow up questions or concerns!

My cat is scratching after flea medicine. Is it ineffective or toxic?

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