Will Cat Fleas Bite Humans?

Cat fleas are small insects that feed on your pet’s blood. Many of cat owners are wondering if cat fleas will bite also humans. Most mammals can carry those types of microorganisms. There are different types of fleas; the ones that affect the cats can also bite dogs if they had the opportunity. 

Will cat fleas bite humans?

Fleas on humans may bite people but they won’t live on you. Fleas will seek out your dog or cat as their preferred host and blood meal.

Fleas reproduce very quickly. Their eggs and larvae develop mainly in areas with little exposure to light, under furniture, between sofa cushions, etc. However, they will soon lodge on a host to be able to develop and feed on its blood. Cat fleas can jump 30 cm high, flipping from the cat to your bedding or sofa, or bouncing directly to you. 

Even if flea bites rarely cause severe problems in humans (except if they carry bacteria or viruses), they are nevertheless itchy and challenging to treat. 

Identifying cat fleas

If your cat is a carrier of this parasite, you will very often see him uncontrollably scratching, trying to chew on the fleas. Also, a very red and irritated skin under his coat is another sign. If fleas were transmitted to you, then most probably you will be bitten in the ankles or legs. 

Flea bites are in the form of papules. The papules are full pimples, with no discharge of liquid. They are pink or slightly red, so you can definitely notice them. 

Many complications can result from flea bites if they become infected. The skin lesions can worsen and present more severe symptoms other than itchings, such as fever or anemia. Many infections can be transmitted by fleas, which pass from hosts to hosts, such as the plague, typhus or even intestinal worms. 


The first step is to avoid any secondary infection entering your system is by applying an antiseptic lotion on your legs and ankles to decrease the itching. If it’s not available, then you can use soap and water instead.

Besides, use a suitable insecticide to eliminate fleas from your surrounding environment. Note that certain essential oils can be beneficial, such as the lavender, tea tree, lemongrass, and clove.  Read more about ways how to get rid of fleas here.

If the fleas have highly infested your cat, then it is best to consult the veterinarian who will be able to advise you on the most suitable products. For humans, do not hesitate to consult your doctor, especially if the bites are numerous or superinfected. In this case, the doctor can prescribe antihistamines if you are allergic and antibiotics in case of proven bacterial infection.


In addition to treatment, it is essential to eliminate fleas and prevent their reoccurrence permanently. It is necessary to wash the household linen and clothing very frequently. Vacuum the nooks and crannies and thoroughly clean the floor with a strong detergent that can destroy the flea eggs and the larvae. Besides, you can consider getting a flea collar for your cat that repel such parasites.

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