My cat's Advantage isn't working on fleas. Can I re-dose soon?

Question

Can a second dose of Advantage at two and half or three weeks to soon to give? It doesn’t seem like it’s working she’s had three doses since I rescued her. Pet's info: Cat | Domestic Shorthair | Female | spayed | 3 years and 2 months old | 7 lbs

Megan, DVM, CVA · Accepted Answer

No 3 weeks should be fine. If you are still seeing fleas, then you likely have an infestation in your house and yard. Be sure all pets in and out of the house are also on flea preventative. I would also be sure to treat your house and yard for fleas since fleas actually live in the environment and not on the animal. You may also consider trying a different flea preventative like bravecto or cheristan for cats. I hope this helps!

My cat's Advantage isn't working on fleas. Can I re-dose soon?

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