Read more: What To Spray On Carpet To Keep Dogs From Peeing Per PetMD, the quickest and most effective methods for removing flea dirt from your pet are a fine-toothed flea comb and a bath.

The flea larvae, which look like tiny maggots, worm their way into the carpet or mattress, feeding on the flea dirt that their parents left behind, says Benson. Next, the larvae burrow down into ...