Is it normal to see live roaches after spraying?
Seeing live roaches days after a treatment leaves people unsure if the bugs are being drawn out to die or if the extermination failed. This uncertainty makes it difficult to know whether to wait for the roaches to die on their own or to immediately apply more spray.
What the numbers show
Counted from the threads quoted below. How we count
- People have been saying this in most months since September 2026.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
Found another way around this?
Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.
- 1Setting out glue traps to monitor activityDid this help you?
- 2Waiting before applying more sprayDid this help you?
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
“Just want to check that’s normal activity after spraying?”source ↗
“I should wait before spraying more, right?”source ↗
“Again, I hadn't seen a roach in about 3 months, but now, 4 days after he sprayed my kitchen and bathroom, one scurries right across my living room carpet.”source ↗
“Is this a result of the spraying? Why was it very much alive, and is it going to die on its own?”source ↗
“Does the spraying draw them out and then kill them? Or is it just to repel them?”source ↗
Where this came up
People with this problem also raised
- 8Why does the same bug spray stop working after a while?
- 4Still finding live bed bugs after professional treatment
- 4Are food and groceries safe to eat after pest control spraying?
- 2Found a single baby cockroach, what do I do?
- 27How to get rid of German roaches once and for all?
- 2How to deal with paranoia after a bug infestation