Originally Posted by Saynamore

I think you deffo need to go back to the vets then if Frontline hasnt worked, it normally kills anything within 12 hours or so. It may have got rid of most of the biddies but your cat sounds like it could be allergic to flea bites in view of the scabs. You may need some medication to clear up the skin condition. This could be tablets, shampoo or both. I wouldn't leave it too long to go back either cos the continued scratching may lead to bald patches in that beautiful coat