7 Best Flea Combs for Cats 2019 Reviewed

In this post, I’ve reviewed the best flea combs for cats. Flea Combs are safer and simple flea control solutions when liked to flea spray, boric acid, or flea shampoo.  With these combs, you can easily find and remove fleas, flea dirt, and their eggs. Luckily, the combs are non-chemical flea control methods and hence suitable for kittens and puppies with sensitive or … Read more

What Is Flea Dirt?

The short answer is; Flea dirt (flea poop or flea frass) is the round black pepper or dandruff-looking specs made up of undigested and dried blood (dropped by fleas) after sucking blood from cats, dogs, or humans.

You can find flea dirt when combing or running fingers against the grain of your cat’s or dog’s hair. Flea dirt is mainly found around your cat’s or dog’s groin area, the tails or between their hind legs.

Ultimately, flea larvae will feed on the flea dirt – remember its blood anyway. But most fleas must be controlled from their hiding places in the house or the yard

What does Flea Dirt Look Like?

Fleas will poop either in their hiding place or on cats and dogs. The dried up blood (in form of excreta) will produce oddly-shaped black, brown, or reddish specs – which we now referer to as flea dirt. In general, most homeowners confuse flea dirt (a collection of the flea poop) with black dandruff. 

The flea dirt will look like (1) Specks of grit or Ground pepper, (2) Black dandruff or Tiny black flakes, (3) Black or reddish specks.

Coils or Spherules 

Flea poop mainly takes two shapes – Coils or Spherules. First, coils will be about 0.84 mm in length – and thus their largest mainly go lengthwise. 

But, the Spherules will mainly grow into a round shape of about 0.08 mm to 0.24 mm. The flea adults will first take the shape of spherules but will turn into coils in their next two weeks. 

How to Check for flea dirt/ flea dirt test? 

It’s definitely easy to stop fleas and flea dirt on the belly of either your cat or dog. The belly mainly has the fur or hair that is less thick and has the lightest shade of color. Also, you may find flea dirt on your dog’s or cat’s sleeping areas and bedding.

If you’ve found flea dirt on your pest, then this could be a good indicator that you’ve succeeded in identifying the presence of fleas. Further, the specs will turn your wet towel into spots of red or brown.

1. But, you can easily discern flea dirt by placing any of the black specs or clumps on a white and wet towel.

2. If the towel becomes reddish or brown in color, then that points to the presence of flea dirt – which as noted earlier is simply undigested blood in flea poop.

3. Also, check the pet’s sleeping areas and bedding

Why worry about Flea Dirt?

1. Fleas will suck about 5 µl to 6.97 µl of blood each day to fully fill up their gut. However, female fleas will suck an event larger blood capacity (13.6 µl of blood). Therefore, controlling flea dirt (and fleas too) would ensure that you reduce the amount of blood that’s sucked from cats, dogs or human beings. 

2. Flea dirt is “dirty” on your pets and humans as it leaves teh feces spread all over. For example, fleas will excrete about 8-10 feces drops in their 2-3 minutes of feeding. Each day, an adult will drop feces with a weight of about 0.636-0.860 mg (with female females definitely excreting more feces – about 0.8473 mg). 

3. Fleas find it less energy consuming to feed on pet and human blood. Fleas are generally considered to be capillary (vessel ) feeders – which allows faster feeding. Vessel feeding implies that the bugs will take advantage of the blood pressure of the pet and thus take in blood faster. Further, the bugs have anticoagulant saliva and adequately adapted mouthparts for better blood sucking – and losing a limited amount of energy. 

4. Flea dirt is not just waste for the flea but will also feed flea larvae and hence may promote the development of a major flea infestation. But why? Flea dirt is appropriate to flea larvae as it requires them to spend a very minimal amount of energy. 

It provides flea larvae with proteins and iron that’s required for sclerotization and body development. Therefore, that’s why females take larger blood amount to feed their larvae -with proteins, iron and even vitamin B. 

How to Get Rid of Flea Dirt?

Well, besides killing the fleas, you’d love to get rid of the flea dirt. The simple steps are shampooing your dog and cats to wash away the flea dirt. But this is no guarantee that the flea dist won’t come back to haunt you. 

Nevertheless, the best way to rid your pets off this flea dirt is by killing the fleas both in and around the house. For your cats and dogs, I would recommend using various flea treatment methods such as Capstar Flea Killer, oral pills, Frontline for the cats, or Advantage II for your Dogs. 


1. NCBI – Comparison of Two Techniques for the Detection of Flea Faeces.

2. PetMed – Flea Dirt How to Get Rid of It

3. Comparison of Two Techniques for the Detection of Flea Faeces in Canine and Feline Coat Brushings


Can Dog Fleas Transfer to Humans?

Recently my friend, Jane, got a healthy looking dog. Sadly, the dog was flea infested. Jane applied flea shampoo on the dog to save the situation. But, she’s still worried whether “Dog Fleas Transfer to Humans?” Can the bugs jump/ bite him, his kids or wife? I seek to answer these questions in this short post. The simple answer is … Read more

Can Cats get Fleas in the Winter?

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How to Use a Flea Comb for Dogs and Cats (All Steps)

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Does the Dryer heat Kill Fleas, their eggs and larvae?

After I posted this article on “how to remove fleas in clothes and beddings,” a reader sent me this question –  “do fleas die in the dryer”. To answer the questions, I conducted some experiments (on my dryer) and consulted my local vet. Summary: YES – dryer heat will kill fleas, their eggs, & larvae on bedding, … Read more

How to Kill Fleas on Dogs Naturally – Safe and Fast

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How to Get Rid of Fleas on Clothes and Bedding – Fast

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Can Humans Carry Fleas from one Home to Another?

My buddy, Anna, has a massive flea infestation (she’s planning to use the best flea bomb soon). She’s coming for a sleepover 😞😞😞. I advised her not to come with her dog. So, can she still carry fleas over in her clothes? The short answer is: YES, human beings can carry fleas from one house to another. The bugs … Read more

9 Best Flea Foggers or Flea Bombs 2019 Reviewed

I spoke to 7 exterminators regarding the best flea foggers (aka flea bombs). If you have a major flea infestation, and it’s worrying you, relax we can sort it out.  To control this, you need a fast-acting, safe and reliable flea foggers. Also, you must determine the number of foggers required for each room and the mandatory active ingredients (e.g. IGR S-Methoprene).  … Read more