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What is normal in the first weeks
Insects may be flushed out of harborage and become more visible for a short period after treatment. Companies usually expect this and plan a follow-up visit around the egg-hatch cycle rather than judging success immediately.
A typical follow-up pattern
| Period | What usually happens | What to do |
|---|---|---|
| First days | Possible increased sightings as insects are disturbed | Keep monitors in place, do not re-clean treated edges |
| First follow-up visit | Re-inspection and further treatment as needed | Report everything you have seen, with dates |
| Following weeks | Activity should decline | Continue monitoring and record findings |
| End of the program | Company confirms whether activity has stopped | Ask what the warranty covers from this point |
How to monitor properly
- Use interceptors under bed and sofa legs
- Keep the bed away from walls and other furniture where possible
- Record dates and locations of anything you find
- Avoid moving belongings between rooms
Why treatment sometimes does not work
- Only part of the property was treated
- Adjoining units or rooms were not inspected
- Follow-up visits were missed or cancelled
- Preparation instructions were not fully completed
- Items were reintroduced from storage or another property
- Harborage in furniture or voids was not reached
When to call the company back
Contact the provider if activity continues past the scheduled follow-up, if it appears in new rooms, or if you find live insects after the program was declared complete. Check your warranty terms — many cover return visits within a defined period.
When a second opinion makes sense
If a program has run its course and activity continues, an independent inspection can identify harborage or spread that the original plan missed. Ask for written findings so you can compare them with the original report.
Frequently asked questions
How long until I know treatment worked?
Most programs need several weeks and at least one follow-up before a company will judge the result. Ask your provider for their specific criteria.
Should I throw out my mattress?
Not automatically. Encasements and treatment are often enough. Discard only on professional advice, and wrap anything you do discard so it is not taken by someone else.