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Table of Contents
How can I have fleas when I don’t have a pet?
How do I know I’ve got fleas?
Why are fleas a problem?
5 simple steps to get rid of fleas
Why aren’t my fleas going away?
Do natural flea treatments work?
How do I stop fleas from coming back?
What not to believe when it comes to fleas
If you’ve ever found yourself itching and wondered “Hang on… Do I have fleas? How's this happened?!" - You’re not alone. It’s one of those situations that feels both confusing and slightly insulting. No cat, no dog, no rabbit… Yet these tiny jumpy menaces seem to have set up camp in your carpet. Take a deep breath. Resist the urge to set fire to the sofa. Let’s unpack what’s really going on. Keep reading to find out how instantly remove fleas from your home.
Believe it or not, fleas don’t need a pet to come indoors. While cats and dogs are their favourite hosts, fleas are perfectly capable of hitching a ride in on other creatures or even on you.
Here are some of the usual suspects:
Previous residents or visiting pets. If the home used to have animals, flea eggs and larvae can lie dormant for weeks or even months in carpets, soft furnishings, or floorboards. They hatch when they sense vibrations and warmth (that’s you). Click here to find out about dormant fleas and how to avoid them.
Wildlife. Foxes, hedgehogs, squirrels, and even rats often carry fleas. If your garden attracts any of them, fleas can migrate indoors.
Neighbours’ pets. In flats or terraced housing, fleas can travel through shared walls, floorboards, or hallways.
You. Yes, you might bring them home yourself. Fleas can cling to clothing, shoes, or bags if you’ve visited a friend with pets, or brushed through infested grass.
Fleas are opportunists. It’s not a reflection of your cleanliness. They’ll take whatever warmth and blood they can get.
Bites on ankles or lower legs: Fleas tend to go for exposed skin near the floor.
Tiny dark specks on bedding, carpets, or skirting boards: This might be flea dirt (essentially dried blood). Click here to see what flea dirt looks like!
Jumping dots: If you see small brown insects that leap rather than crawl, you’ve got your culprits.
Increased itching: You, your partner, or even visiting pets start scratching more than usual.
A handy trick: Put a white sheet or towel on the floor and gently walk around on it. Fleas (or their droppings) will show up clearly against the pale fabric.
Fleas multiply at an alarming rate. A single female can lay up to 50 eggs per day, which fall off into carpets, rugs, cracks, and soft furnishings. Those eggs then hatch into larvae, develop into pupae, and eventually emerge as adult fleas ready to feed - starting the whole flea life cycle again.
Without a host, adult fleas can survive for several weeks, and their eggs can remain dormant for months. So if you only squash the visible ones, you’re really just removing the tip of the iceberg.
Vacuum everything. Properly.
Start by giving your home the most thorough vacuum of its life: carpets, rugs, skirting boards, cracks in floorboards, upholstery, cushions, mattresses, under furniture — everywhere fleas might hide.
Use the crevice tool to get along edges and corners.
Empty the vacuum outside straight away (preferably into a sealed bag) so you don’t reintroduce eggs.
Do this daily for at least a week, then every few days for the next few weeks.
Why? Because vacuuming not only removes adult fleas but also stimulates dormant pupae to hatch, making them easier to kill later.
Wash soft furnishings
Pop your bedding, cushion covers, throws, and any machine-washable fabrics on a hot wash (at least 60°C). The heat kills all stages of fleas and their eggs.
If you can’t wash it, tumble-dry it on high heat or, for delicate items, seal them in a plastic bag and leave them in the freezer for 24 - 48 hours.
Use a household flea spray (with an insect growth regulator)
This is the step most people skip and it’s the one that actually breaks the life cycle.
Look for a vet-recommended household flea spray that contains both:
an adulticide (to kill adult fleas), and
an insect growth regulator (IGR) such as methoprene or pyriproxyfen (to prevent eggs and larvae developing).
These dual-action sprays, like Itch Flea House Spray for Homes, are much more effective than standard supermarket ones. You can pick them up from vets, pet pharmacies, or online veterinary retailers.
To use it:
Spray carpets, skirting boards, upholstery, and under furniture.
Pay special attention to cracks in wooden floors and any dark, warm corners.
Leave the house while it dries (follow safety instructions carefully).
Repeat the treatment about two weeks later to catch any newly hatched fleas.
Treat visiting pets or neighbouring animals (if possible)
Even if you don’t have pets, it’s worth mentioning the issue to neighbours, especially if they have cats or dogs. Their pets might be carrying fleas into shared areas.
If you sometimes look after a friend’s pet, make sure they’re treated with a proper vet-strength flea treatment, like Itch Flea Treatment for Cats and Itch Flea Treatment for Dogs which kills fleas, eggs and ticks, fast!
Keep vacuuming and monitoring
After treatment, don’t relax too soon. Keep vacuuming regularly for several weeks to help remove eggs and larvae as they hatch.
You can also try a flea trap (a small plug-in light trap that attracts and captures fleas) to monitor progress. If you stop catching fleas after a few weeks, you’ve likely won the war.
Stopping too early. Even if you don’t see fleas, eggs and pupae might still be waiting to hatch. Keep going for at least four weeks.
Ignoring under furniture or skirting boards. Fleas love dark, quiet places.
Not emptying the vacuum outside. Fleas can crawl right back out if you don’t.
Using pet flea treatments on carpets (or vice versa). They’re formulated differently — always use the right product for the job.
Not being persistent. A flea infestation won't go away over night, it can take up to 3 months. Keep at it.
You might see tips online suggesting lemon sprays, baking soda, diatomaceous earth, or essential oils. While some can help reduce fleas, they rarely eliminate them entirely.
Head Vet at Itch, Dr Zoe Costigan BVSc BSc(hons) Cert AVP MRCVS warns that essential oils (like tea tree or eucalyptus) can be toxic to pets and sometimes irritate human skin. And homemade sprays aren’t regulated, so you can’t be sure they’ll kill eggs or larvae. If you prefer a more “natural” route, stick with frequent vacuuming and washing, combined with a vet-approved spray. That’s the safest and most effective balance.
Once you’ve finally banished them, you’ll never want to deal with fleas again. Here’s how to make sure they don’t come back:
Vacuum weekly, especially if you live near wildlife or communal gardens.
Seal gaps under doors or around skirting boards to block entry points.
Discourage wildlife from nesting near your home (no food left out, use sealed bins).
If you have visitors with pets, ask that their animals are up to date with flea treatment.
Steam-clean carpets every few months for a deeper clean.
“I don’t have carpet, so I’m safe.”
Not quite. Fleas and their eggs can survive in cracks between floorboards, skirting boards, and even furniture seams.
“Fleas only bite animals.”
Nope. When desperate, they’ll happily bite humans. We’re just not their preferred meal.
“If I can’t see them, they’re gone.”
Fleas spend most of their life cycle hidden. Only around 5% of the flea population are visible adults at any given time. The rest are eggs, larvae, and pupae lurking quietly.
Getting fleas when you don’t even have pets feels unfair, but it’s surprisingly common. Fleas are hardy, sneaky little things that can survive for months without a host.
The good news? With a solid plan of vacuuming, washing, and using a vet-approved flea spray, you can absolutely clear them out and stop the cycle for good.
95% of fleas live in your home environment.
To break the fast and furious flea life cycle, treat your home with Itch Flea Home Spray. In one blast, it will help turf out the little blighters — and any dust mites too — as well as put a halt to the development of flea eggs and larvae for up to 12 months.
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