The best medication or method to rid of dog fleas for good?

I live in FL which is terrible for fleas. I need an effective medicine I've been using front line which has not helped and my dog hates flea baths which only have a temporary result. I also don't know what concerns me more getting rid of the pests or finding a natural alternative to putting chemicals on my... show more I live in FL which is terrible for fleas. I need an effective medicine I've been using front line which has not helped and my dog hates flea baths which only have a temporary result. I also don't know what concerns me more getting rid of the pests or finding a natural alternative to putting chemicals on my dog. Help thank you! :)
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