I am sure someone else has more on this, but go to dirtdoctor.com and search for "flea", and do the same on this forum. I assume you mean you sprayed with poisons. I used those at one time and all I got were retarded fleas, they could still bite and breed. These are the things I did, nematodes, diatomaceous earth (food grade) in the pet food, I have seen on this forum where you can spray the house and pet with orange TKO, try to find that thread. Also, fire ants eat flea and tick larvae I have heard, so I don't try to eradicat them. I haven't had any problem with them on my outdoor cats in spite of the fact that I am surrounded by yards with dogs. Good luck!
_________________ Gary
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