How does rat poison work?

"I’ve read that poison is effective for dealing with rodents, but how does it work, and where do rats die after eating poison?"

When rodents invade, they can contaminate food, chew wiring, and spread disease. For this reason, homeowners and businesses might opt for baits and poisons to control rats and mice. But what happens after they eat the bait?

Rodenticides are specialized products designed to effectively eliminate rodent populations. When a rat or mouse ingests the bait, the active chemical is absorbed into their system.

These chemicals are expertly formulated to interfere with the rodent's vital bodily functions, such as blood clotting (causing internal bleeding) or impacting their organs. The goal is a lethal result, which usually occurs over several days.

Where do rats die after eating poison?

There isn’t a single answer. Rats that consume bait don’t always die in a predictable spot. Some may retreat to their nests, while others may die in wall voids, attics, or even outdoors. The same is true for mice, too.

Rat poison that makes them thirsty can lead rodents to seek water, but this doesn’t guarantee they’ll die outside. Because of this unpredictability, relying on poison alone often leaves homeowners dealing with unpleasant odors or hard-to-reach carcasses.

What happens when rodents eat poison?

Different types of poisons work in different ways. Some are anticoagulants, while others affect the nervous system or target calcium levels. Because they can take time to take effect, a mouse or rat may continue moving around the home for days before dying.

Most importantly, poisons don’t address the entry points or nesting sites that allowed rodents in to begin with. As such, poisons should be used in conjunction with other rodent control measures, like trapping and exclusion techniques.

Caution: Rodenticides are an effective tool for controlling rat populations, but it's crucial to handle them with care. While following label instructions and securing bait away from children and pets is critical, ensuring both safety and complete eradication requires professional expertise. For the most secure, effective, and hassle-free solution, especially with significant infestations, contact your local Ehrlich expert!

Ehrlich’s rodent control addresses every aspect of an infestation and combines multiple control methods that are tailored to your property and level of infestation. This helps ensure infestations are removed and prevented in the future.