I feel for you! We battled with fleas on Fiona for a month and a half
.....we did everything from spraying her with 50% white vinegar with 50% water in a spray bottle, bathing her in the diluted dawn soap, baby shampoo, bathing her in flea/tick shampoo, frontline plus didnt help her since she was an easy target....i had to literally vaccuum all the time, clean her bedding daily, put borax on the carpets, got a flea spray...had to go to the vet to get capstar which is a pill and it seemed to do the trick, well last night, she had a huge matt on her butt, and i found A FLEA and some flea dirt, adn im like FREAKING Out...i think its a fluke thing, but she didnt have any dirt anywhere else on her or other fleas, and is not scratching, so i'm gonna start the process all over again when i leave work in 30 min....good luck!