Just lukewarm water, or water and a mild soap, can help get fleas off your pet's fur and skin. The dish soap can help to drown adult fleas. If you're thinking about using a flea shampoo or something similar, talk to your veterinarian first. It can strip oils from your pet's fur and dry out their skin.
Is it normal to find one flea on a dog?
Just One Flea Can Be a Sign of a Problem Although the random flea might show up if you've just taken your pup for a walk, more than one or two could be a sign of a problem. As few as 20 fleas might mean your pet is infested, while the most could be between 200 to 300.
Is it possible to have just one flea?
So, yes, one flea can—and often does—become a problem. Flea eggs usually fall off your pet and land anywhere your pet spends time: carpets, furniture and in bedding. If your pet sleeps with you, fleas could end up on your bed as well. One adult flea can consume as much as 15 times its body weight daily.