![](https://infosec.pub/pictrs/image/8cd64929-b649-4aff-a91c-d04f9f742f64.jpeg)
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Just buy some Frontline Plus, apply it to your cat’s neck in a spot she can’t lick, and done.
It’s a topical poison, harmless to animals, but it kills of parasites very effectively. I’ve used it initially to treat an acute infection (found 2 fleas), and now use it as a preventive measure.
Per instructions you should use it monthly, but every 3-4 months seems to work just fine for me.
Well then they obviously can’t help you…