Said It Here

Finding occasional fleas after professional pest treatment

Seeing occasional live fleas shortly after professional treatment is a normal part of the pupal stage hatching out, not necessarily a failed treatment. However, not knowing whether these few bugs mean the infestation is growing leaves people feeling anxious and exhausted as weeks drag on without a clear end in sight.

Overview
People affected19 accounts across 4 forums
Workarounds found73 items attempted
Community agreement28 total upvotes

What the numbers show

Counted from the threads quoted below. How we count

  • People have been saying this in most months since September 2026.
  • This comes up 39.0× more often in r/Pestcontrol than across the site as a whole.

What people tried

Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.

73 items+ Contribute

Found another way around this?

Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.

  1. 1
    Hiring professional exterminators
    2 people mentioned
    Did this help you?
  2. 2
    treating the dog and house aggressively
    Did this help you?
  3. 3
    professional home treatments
    Did this help you?
  4. 4
    vacuuming 4 to 5 times every day
    Did this help you?
  5. 5
    washing bedding, steaming areas, and removing area rugs
    Did this help you?
  6. 6
    using seresto collars and oral medications from the vet
    Did this help you?
  7. 7
    Using fogger treatments
    Did this help you?
  8. 8
    Setting up traps
    Did this help you?
  9. 9
    Daily vacuuming
    Did this help you?
  10. 10
    Hiring professional pest control for multiple treatments
    Did this help you?
  11. 11
    Placing interior pest traps
    Did this help you?
  12. 12
    Cleaning up previous pest waste and applying precautionary treatments
    Did this help you?
  13. 13
    Relying on quarterly treatments and additional touch-up services
    Did this help you?
  14. 14
    Manually killing 2 to 3 big spiders per day
    Did this help you?
  15. 15
    Checking everything before touching items in the garage
    Did this help you?
  16. 16
    vacuuming the entire house at least once a day
    Did this help you?
  17. 17
    setting up soapy water and light traps at night
    Did this help you?
  18. 18
    bathing pets and checking for flea dirt
    Did this help you?
  19. 19
    Using flea collars and topical prevention treatments
    Did this help you?
  20. 20
    Administering oral preventative chewables frequently
    Did this help you?
  21. 21
    Having the house sprayed inside and out by professionals
    Did this help you?
  22. 22
    Vacuuming multiple times a day
    Did this help you?
  23. 23
    Using specialized insect growth regulators and chemicals like Precor or permethrin
    Did this help you?
  24. 24
    ordering prescription treatments from Canada without a prescription
    Did this help you?
  25. 25
    deep cleaning and washing all bedding, clothes, and soft furnishings
    Did this help you?
  26. 26
    using stronger treatments like Revolution or Capstar
    Did this help you?
  27. 27
    giving cats a dish soap bath to smother fleas
    Did this help you?
  28. 28
    using a house bomb and hiring professional exterminators
    Did this help you?
  29. 29
    Using Frontline spot-on treatment on pets
    Did this help you?
  30. 30
    Hoovering everywhere
    Did this help you?
  31. 31
    Changing bedsheets and washing old ones
    Did this help you?
  32. 32
    Blasting carpets with flea spray
    Did this help you?
  33. 33
    Vacuuming frequently and dumping the bag or bin immediately
    Did this help you?
  34. 34
    Spraying carpets and crevices with flea sprays or powders
    Did this help you?
  35. 35
    Applying over-the-counter flea ointments and treatments to pets
    Did this help you?
  36. 36
    Considering professional pest control treatments and veterinary oral medications
    Did this help you?
  37. 37
    Treating pets with flea treatments
    Did this help you?
  38. 38
    Using a flea comb
    Did this help you?
  39. 39
    Washing bedding at lower temperatures (30 degrees)
    Did this help you?
  40. 40
    Spraying sofas
    Did this help you?
  41. 41
    Applying topical flea treatments like Revolution Plus
    Did this help you?
  42. 42
    Spraying carpet and furniture with over-the-counter insecticides like Adams or Ortho Home Defense
    Did this help you?
  43. 43
    Washing linens in hot water, bagging soft items, and vacuuming daily
    Did this help you?
  44. 44
    Giving pets baths
    Did this help you?
  45. 45
    Spraying the house with flea killer
    Did this help you?
  46. 46
    Using flea spray on the pet
    Did this help you?
  47. 47
    Using indoor sprays like indorex
    Did this help you?
  48. 48
    Applying topical treatments and oral tablets
    Did this help you?
  49. 49
    Shaving indoor pets
    Did this help you?
  50. 50
    Washing everything in hot dryers and disinfecting surfaces
    Did this help you?
  51. 51
    Looking for somewhere else to live
    Did this help you?
  52. 52
    Using Capstar treatments repeatedly
    Did this help you?
  53. 53
    Applying flea collars to pets
    Did this help you?
  54. 54
    Washing sheets, blankets, and couches regularly
    Did this help you?
  55. 55
    Doing online research for the best course of action
    Did this help you?
  56. 56
    Treating pets with oral and topical flea medication
    Did this help you?
  57. 57
    Removing outdoor door mats where fleas might lay eggs
    Did this help you?
  58. 58
    Requesting maintenance to seal gaps in exterior doors
    Did this help you?
  59. 59
    giving the pet a flea bath
    Did this help you?
  60. 60
    using oral flea medication
    Did this help you?
  61. 61
    spraying adulticide and IGR
    Did this help you?
  62. 62
    washing and drying all fabrics on high heat
    Did this help you?
  63. 63
    steaming mattresses and furniture
    Did this help you?
  64. 64
    throwing away area rugs and pet beds
    Did this help you?
  65. 65
    vacuuming floors and baseboards daily
    Did this help you?
  66. 66
    Treating the home with Diatomaceous Earth (DE).
    Did this help you?
  67. 67
    Frequently vacuuming carpeting and mattresses, washing sheets, and doing laundry.
    Did this help you?
  68. 68
    Setting up flea traps.
    Did this help you?
  69. 69
    Rubbing a mix of cedar and coconut oil on legs to prevent bites.
    Did this help you?
  70. 70
    Vacuuming regularly, emptying the canister outside, and washing it with dish soap.
    Did this help you?
  71. 71
    Putting salt on carpets and sweeping it in to dry out eggs.
    Did this help you?
  72. 72
    Washing all items in super hot water.
    Did this help you?
  73. 73
    Applying food-grade diatomaceous earth.
    Did this help you?
Tried another approach not listed above?+ Share your workaround ↑

In their words

Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.

r/Pestcontrol15 people · September 2026 – November 2026

“I'm coming to reddit because I feel so hopeless. Its been 3 weeks and they are still buggin us, but its messing with my whole family.”source ↗

“my mom keeps crying and not knowing what to do and gets mad cause she thinks we arent helping.”source ↗

“I just don't know what to do. I don't even think the infestation is massive, its just the fact we have fleas when we could just not.”source ↗

Key-Tune-2454 · r/Pestcontrol · 5 upvotes

“I’ve been dealing with fleas on and off for the past 2 years, this year being the worst one, I am SICK of spending money on it or just giving it the time of day, we have spent hundreds on professional exterminators, indorex, topical treatments, tablets, we’ve had to resort to shaving our INDOOR cat”source ↗

“I am 35 weeks pregnant and can’t cope with the manual labour of it either”source ↗

“I feel like they’re kicking me out of my own home, I’ve started lookin at somewhere else to live because I physically can’t cope”source ↗

“it’s taken such a bad toll on my stress levels and my mental health, I have done everything, done my research and I don’t want to have to spend another £100-£200 on stuff I cannot afford, nor do I have the physical strength to put up with it”source ↗

Prettyinpink432 · r/Pestcontrol · 3 upvotes

“My question is I have still been continuously killing 2 to 3 big spiders per day in the garage, around the front and back door, on chairs outside, and on the awning and railing out front since we moved in.”source ↗

“(I got bit by one a few days ago, which is why I’m finally looking into this.)”source ↗

JasontheWriter · r/Pestcontrol · 2 upvotes

“Now today at the two week mark I find 6 on him and 2 on me!”source ↗

“I know everything says fleas are a marathon and not a sprint just feeling a little wounded.”source ↗

“Overall I'm trying to be very brave and strong and get through this, just feeling a little defeated at the moment.”source ↗

PocketProblems · r/Pestcontrol · 2 upvotes

“I never see more than 1 at a time.”source ↗

“But that’s the maddening thing. It’s only ever like 1 flea.”source ↗

“How can I get rid of the very last of them?”source ↗

quarterkittyberry · r/Pestcontrol · 2 upvotes

“Looking for some advice from pest control/flea professionals because I’m starting to worry that we aren’t getting ahead of this.”source ↗

“My biggest concern is whether these occasional fleas mean the infestation is still going strong or getting worse”source ↗

“we’ve been dealing with this for several weeks and I’m ready for it to be over!”source ↗

UnluckyAccountant501 · r/Pestcontrol · 1 upvotes

“Hey so, I’m dealing with a mild infestation at the moment.”source ↗

“I’m so incredibly anxious bc I hate dealing with stuff like this and I just hope it’ll be gone faster than upwards of two months.”source ↗

Free_Act_6819 · r/Pestcontrol · 1 upvotes

“About a week ago, I saw a flea in my house. Having never seen a flea before I really thought nothing of it and didn’t realize what it was until a few days later when I woke up with bites around my ankles and put two and two together.”source ↗

“Am I naive to think that I can get out of this situation without having to use serious chemicals/ an exterminator?”source ↗

Ok-Poem8240 · r/Pestcontrol · 1 upvotes

“My neighbors dogs are infested with fleas, and have been passing it to mine. We’ve gotten them a flea collar, flea prevention treatments, on an oral preventative chewable every 2 days, and have had our house sprayed twice (inside and out) . I just found fleas in my house on our bed and the dogs room.”source ↗

“I have two small kids and I think we’re all getting flea bites. I don’t know what else to do.”source ↗

Stunning-Tone5133 · r/Pestcontrol · 1 upvotes

“That’s the problem, we’ve had the house and heard treated twice. I haven’t tied precor2000 tho, I’ll look it up”source ↗

Stunning-Tone5133 · r/Pestcontrol · 1 upvotes

“However I'm STILL finding them and still getting bitten.”source ↗

“It's driving me CRAZY.”source ↗

Ballpitbee · r/Pestcontrol · 1 upvotes

“thanks. my head tells me its not that bad and we are doing so good but seeing fleas just makes me die inside”source ↗

Key-Tune-2454 · r/Pestcontrol · 1 upvotes

“I have given my cat a bath sprayed my entire house with flea killer I've use flea spray on my cat and now she is just tearing up her tail how the hell do i get rid of fleas”source ↗

Slight_Session6101 · r/Pestcontrol · 1 upvotes

“Everything seemed fine, then it happened again later, saw a flea on the cat, treated them all again.”source ↗

“Well, I didn't see it on the cat but he was just in my bed and I saw a flea on the bed 😖.”source ↗

“I'm now worried that they are in the house rather than the yard and that is why they have come back.”source ↗

“i'm certainly growing tired of paying for treatment if there obviously an underlying issue.”source ↗

bunny896548 · r/Pestcontrol · 1 upvotes

“It has been 10 weeks. I still have fleas and pest control comes every week to treat the apartment for them.”source ↗

“Now, the leasing office is trying to say that there’s still fleas because my cat has them, but I frequently brush her and don’t find any.”source ↗

“I’m sick of dealing with the flea infestation and I’ve been worried about my cat having fleas.”source ↗

musical_cult · r/Pestcontrol · 1 upvotes

“We have treated the yard twice ourselves and then Wed 10/28 we had an exterminator treat the home and yard because we were still finding fleas”source ↗

“Please tell me what to expect from here. Is this normal? Will we ever get rid of them.”source ↗

lucky-8-mj · r/Pestcontrol · 1 upvotes

“It's been two months since the incident, and we don't have any pets.”source ↗

“He said it wasn't an infestation, sprayed some flea treatment, and left. However, it's now been a month since the treatment, and I'm still getting bitten and occasionally catching one or two fleas.”source ↗

“I'm wondering if there's anything else I should be doing or if I should just wait for them to die off.”source ↗

“Should I request another exterminator visit or a follow-up treatment, given that I'm still getting bites and finding fleas a month after the initial treatment?”source ↗

silentobserver76 · r/Pestcontrol · 1 upvotes
r/cats2 people · September 2026

“I tried flea collars and flea drops to put on the neck and spine but the fleas keep coming back.”source ↗

“I sprayed all the carpects and surfaces with flea killer spray but they keep biting me and my cats.”source ↗

Raven_Catfish · r/cats · 1 upvotes

“This happened to my cats and we had to use Capstar to kill what was on them, give them a flea bath, toss them in the car, bomb the house, drive around for a few hours, and put Revolution on them in the car.”source ↗

ProsimiansOnPluto · r/cats · 1 upvotes
r/CleaningTips1 person · October 2026

“this time they just wont die off.”source ↗

“We’ve treated the cats, and ive cleaned my bedding and the sofas been sprayed and to be honest im not sure what to do.”source ↗

“my sheets and duvet only allow to wash up to 30!!!! Not 60 like i wanted.”source ↗

Apart-Opposite1251 · r/CleaningTips
r/homeowners1 person · September 2026

“My husbands keeps saying that all houses have a few bugs here and there but I really need a bug free house.”source ↗

“We just had 2 roach treatments last month that cost us a pretty penny.”source ↗

“The traps are EMPTY. there’s about 8-10 traps in my house.”source ↗

ResponsibilityIll124 · r/homeowners

Where this came up

People with this problem also raised