Do Fleas Bite Humans? – Flea Bites 101

Fleas are a nuisance for animals and people – and if you’ve had them in the house, maybe it’s due to hosting pets; you’ll require effective treatments for the bugs

  • So, do fleas bite humans? YES, fleas will bite humans but they’ll mainly live on hosts like dogs & cats plus their sleeping spaces.
  • Flea bites will irritate human skin and also cause health conditions. 
  • But, female fleas prefer biting pets – as their blood allows laying more viable eggs within 36 to 48 hours. 

As those fleas’ eggs continue hatching, the hatched larvae tend to eat various organic matter, especially from the hosts’ skin. 

The signs of fleas in your spaces include; Flea Eggs, larvae, or pupae; Adult fleas, flea Feces, flea Bites, and Scratching of pets. 

Details: Do Fleas Bite Humans?

Where will fleas bite us, humans? Fleas will feed on blood from animals including pets and may also suck blood from humans. The bugs will bite your skin and blood vessels.

  • But how do the mouthparts of fleas work? The bug uses its mouth to bite the human or pet’s skin and its blood vessels to provide blood for their feeding. 

The flea has a mouth with 3 parts acting like some needles. These ‘needles’ will cut through the hosts’ skin and get to those blood vessels ready to suck blood.

  • Fleas will inject their anticoagulating saliva from the salivary glands into the would and hence hinder blood clotting.

So, how serious are these fleas? So, besides leaving humans with itchy and swollen marks, fleas will cause diseases to the furry pets – the bugs will take effort and time to control.

  • To remove fleas, you’ll require to flea-treat those infected animals, clean or vacuums the spaces, and select objects while also use preventative measures.

How did Fleas get onto You?

Just like fleas will jump onto pets, humans also get fleas in the same way. Pets in the wilderness, tall grass, and the wild will get fleas as they’ll jump onto them

  • Fleas lack wings and hence they won’t fly – but they’ll jump to height multiple times their body length. 
  • Therefore, the fleas could jump onto some humans and animals – they’ll bite and latch onto the skin and body hair. 

On the shape, fleas are flat-bodied and this allows them to easily navigate through their hair and fur – this could present a suitable location for sucking blood. 

  • Further, fleas will equally jump from those pets to humans – after this, the fleas will reproduce to give eggs that’ll land into the yard or some new hosts. 

Also, when fleas are very many, they’ll also hide in the cracks of furniture, hardwood floors, and carpeting – they’ll also jump onto humans. 

Will Flea Bites Harm?

Fleas bites will appear like red bumps and these might also be itchy – this itchiness results from saliva’s reaction onto your skin – as it gets onto your bloodstream. 

  • The skin irritation makes the bumps become scratchy, itchy, and red – this open location may cause entry of bacteria and dirt and could lead to infection. 

Specific flea species are considered to hold diseases – such diseases include the Bubonic plague that’s carried by the oriental rat fleas. 

  • Other flea species carry bacteria such as the Chigoe flea, these may cause critical would infections – and this could unluckily result in limb amputation.

Controlling Fleas – Fleas Extermination

Fleas are generally challenging to exterminate – they have an exoskeleton (outer shell) that is hard – and this makes fleas’ extermination challenging. 

Here’s how you can get rid of the fleas in your spaces; (1) vacuum mattresses, upholstery, and floors; (2) steam clean the pet beds and carpets; and (3) chemical treatment. 

  • Fleas will largely come from pets like cats or dogs. The bugs will attach to the pet’s body and fur – but it’ll drop onto its sleeping area – if this is indoors. 

To control the fleas in the yard and house, you’ll require to take a proactive path. Fleas must get that blood meal from suitable hosts for viable reproduction. 

  • Therefore, the fleas will largely feed on hosts that are inside your apartment or house. 
  • For instance, if a mouse is trapped and later disposed of – the fleas that were on it previously will jump onto humans or pets in the environment. 

The exterminator will consider the details on when fleas were seen and determine their entry mode, hiding locations, and appropriate control method.

1. Step 1 – Great Home Sanitation

Great sanitation is an important flea removal – this will require effective cleaning of the areas that fleas breed. 

  • Such places should include cleaning or washing the pet bedding, rugs, and bedding. Further, sweep the wall edges, carpeted areas, and floors. 

So, you’ll require to vacuumed + clean the entire apartment or house. But you might need to begin the cleaning on the high-traffic locations in your house. 

The vacuuming process will exterminate adult fleas while also making their pupae easily emerge from those hard cocoons – which otherwise chemicals would not break.

2. Step 2 – Use Flea Insecticide

You may now employ that insecticide onto those surfaces in your yard or house – this will ensure most of the flea stages are adequately controlled. 

  • But the market has many flea-removal insecticides that are effective – start treating the home to help cut down the flea life cycle. 

An exterminator will effectively control pests and this will affect the product to use in your yard or home – use flea repellents to protect from the bugs


On the question; do fleas bite humans? Yes, they’ll bite humans but will live for long on hosts like cats & dogs and they offer blood suitable for viable reproduction. 

  • The fleas will jump and hide inside the pet’s sleeping areas. Flea bites cause humans some health conditions including skin irritation.
  • Some of the flea stages will be resistant to those chemicals and insecticides and thus adopt vigorous and extensive flea control.

Ensure to undertake follow-up flea-treatments in 5 to 10 days. Do sanitation and vacuuming on the house spaces or yard – this will help exterminate the juvenile adults and eggs of those fleas.

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