What do dog fleas look like? | Find Out Here

Fleas are small, wingless insects that are parasitic to mammals. They are a common problem for dogs, and can cause a number of health problems, including itching, skin irritation, and anemia.

If you think your dog may have fleas, it is important to know what they look like so that you can identify them and take steps to treat them.

What do dog fleas look like?

Adult dog fleas are small, brown or reddish-brown insects that are about 1-2mm long. They have a flat, oval body and six legs, with their back legs being longer and more powerful than their front legs. This allows them to jump up to 15 inches in the air.

Adult dog flea 

Fleas are difficult to see with the naked eye, but you can look for them in your dog’s fur, especially in the areas where they tend to scratch the most, such as the belly, groin, and armpits. You may also see tiny black specks of flea dirt in your dog’s fur. Flea dirt is actually the flea’s feces, which is made up of digested blood.

If you think your dog may have fleas, you can do a simple test to confirm. Part your dog’s fur and put a few of the black specks on a damp piece of paper. If they turn red, then they are flea dirt.

Other signs of fleas

In addition to seeing fleas or flea dirt on your dog, there are other signs that your dog may have fleas. These include:

  • Excessive scratching
  • Redness and irritation of the skin
  • Hair loss
  • Small, red bumps on the skin
  • Dark spots on your dog’s bedding

Treating fleas

If you find fleas on your dog, it is important to treat them immediately. There are a number of over-the-counter and prescription flea treatments available. You should also vacuum your home thoroughly to remove any flea eggs or larvae that may be present.

Preventing fleas

The best way to prevent fleas is to keep your dog’s fur short. You should also bathe your dog regularly and use a flea collar or topical flea treatment. Vacuuming your home regularly will also help to prevent fleas from infesting your home.


Fleas are a common problem for dogs, but they can be easily treated and prevented. By knowing what dog fleas look like and what signs to look for, you can help to keep your dog flea-free.

Additional tips

  • If you have multiple pets, it is important to treat all of them for fleas at the same time.
  • If you are treating your dog with a topical flea treatment, be sure to follow the directions carefully.
  • If you are vacuuming your home, be sure to vacuum all areas, including under furniture and in carpets.
  • You can also use a flea bomb or fogger to treat your home for fleas. However, be sure to follow the directions carefully and vacate your home while the treatment is taking place.

By following these tips, you can help to keep your dog and your home flea-free.

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