How to Deal With a Flea Infestation: Complete Step‑by‑Step Guide
Fleas can quickly take over your home, especially if you have pets. The key to eliminating a flea infestation is treating your pets, your home, and preventing re‑infestation. This guide walks you through each step clearly and effectively.
🐾 Step 1: Treat Your Pets
Fleas live and feed on animals first — so your pets must be treated before anything else.
- Use an appropriate Spot‑On flea treatment for all cats and dogs.
- For faster results, you can also use flea tablets, which begin killing fleas within hours.
- Even if you use tablets, apply a Spot‑On treatment as well to protect your pets for 3–4 weeks and prevent re‑infestation.
Important: Treat every pet in the household, including small animals if recommended by your vet.
🛏️ Step 2: Wash All Bedding
Fleas and their eggs hide in soft fabrics, so thorough cleaning is essential.
- Wash all pet bedding, blankets, throws, and any fabric your pets use.
- Once dry, spray bedding with a flea spray containing a long‑lasting growth regulator (6 months or more).
- Items that cannot be washed or sprayed — such as soft toys — can be sealed in a bag and placed in the freezer for 5 days to kill eggs and larvae.
🧹 Step 3: Vacuum the Entire House
Flea larvae avoid light and hide deep in carpets, cracks, and under furniture.
- Vacuum carpets, rugs, skirting boards, crevices, and underneath furniture.
- Vacuum all upholstery, especially sofas and chairs where pets rest.
- Move furniture where possible to reach shaded areas where larvae hide.
This step helps remove eggs, larvae, and debris that fleas feed on.
Once vacuuming is complete, it’s time to treat your home.
- Spray each room with a high‑quality flea spray that offers at least 6 months of protection.
- Close windows and doors, remove pets, and cover fish tanks airtight (turn pumps off).
- Always patch‑test delicate fabrics before spraying.
- Spray:
- Skirting boards
- Cracks and crevices
- Carpets and rugs
- Soft furnishings
- Pet resting areas
- Your car interior if pets travel in it
Wear a decorator’s mask to avoid inhaling fumes. After spraying, leave the room for one hour, then air it out thoroughly.
Tip:
- Spray living areas at night
- Spray bedrooms in the morning
🏠 Step 4: Treat Your Home Thoroughly
🧹 Step 5: Vacuum Again
Once the spray has dried:
- Vacuum each room again to remove any remaining larvae or fleas.
- Uncover fish tanks and turn pumps back on.
- Empty the vacuum outside, then spray the inside of the vacuum bag or cylinder to prevent eggs from developing.
This second vacuuming is crucial — it helps trigger flea pupae to emerge and be exposed to the treatment.
🔒 Step 6: Prevent Re‑Infestation
Long‑term prevention keeps fleas from returning.
- Treat all cats and dogs monthly with a Spot‑On flea treatment.
- Consider treating your home once a year with a long‑lasting flea spray.
- Regular vacuuming reduces flea eggs and larvae in carpets.
Consistent prevention is the easiest way to keep your home flea‑free.
Key Flea Infestation FAQs
- How long does it take to get rid of fleas?
Usually 2–4 weeks, depending on the severity.
- Why do fleas keep appearing after treatment?
Flea pupae can survive for weeks — vacuuming helps them emerge so treatments can kill them.
- Do I need to treat my garden?
Only if your pets spend a lot of time outdoors.
Contact Information
Opening Hours
Principal Pets
184 Telegraph Road
Heswall
Merseyside
CH60 0AJ
Tel: 0151 342 9635
Email: info@principalpets.co.uk
VAT : 178 3864 58
Free Local Delivery
Monday Closed
Tuesday 09:00 to 17:30
Wednesday 09:00 to 17:30
Thursday 09:00 to 17:30
Friday 09:00 to 17:30
Saturday 09:00 to 17:30
Sunday Closed