What is Bromethalin?

Bromethalin is a highly potent pale, odorless, crystalline solid rodenticide that was specifically designed in 1985 to address the issue of rodent resistance to anticoagulant rodenticides. Anticoagulants are blood thinning toxins that work over time. Bromethalin, on the other hand, is a highly potent neurotoxin that delivers a fatal dose with just one feeding. It kills rodents with a single feeding and is found in products such as Fastrac Blox and Place Packs and Talpirid Mole Bait.

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A professional all-weather neurotoxin rodent bait blox for mice and rat bait stations for commercial, industrial and limited residential areas.
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A professional single feeding rodenticide in place paks for mice and rats in commercial and residential areas and indoors and outdoors.
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A professional rodenticide pelleted bait that is designed for burrow baiting to effectively kill Norway rats, roof rats, mice, house mice, and meadow voles.

Bromethalin Facts

Bromethalin Mode of Action

Bromethalin works by attacking and inhibiting the central nervous system, leading to paralysis and death.

How quickly does Bromethalin kill?

Death by bromethalin poisoning most often occurs within 24 to 36 hours after digestion.

What kind of rodents does Bromethalin target?

Bromethalin is used as an active ingredient in products that target rats, mice, and moles.

How does Bromethalin work to control rodents? 

Bromethalin is a neurotoxin which attacks the central nervous system, blocking nerve activity and affecting muscle contraction. Death occurs within 24 to 35 hours after ingestion. 


Bromethalin is extremely toxic and should always be handled with care, and kept out of areas where it may be accessible to pets or children. Always read the product label before using any product containing Bromethalin. When using bait formulations, always use a tamper-resistant bait box. 

Bromethalin is extremely lethal to mice, rats, and other rodents. It is recommended that bromethalin products always be used with a tamper-proof bait station as secondary poisoning can occur in dogs and cats that eat a rodent killed by bromethalin (although this is uncommon). Symptoms of secondary bromethalin poisoning in animals include loss of ability to bark, loss of appetite, and lethargy. There is not an antidote at this time but symptoms can be treated with corticosteroids. Always read the product label carefully.

Products Containing Bromethalin:

Talpirid Mole Bait
TALPIRID (Talprid), developed by Bell Laboratories, Inc., is the first and only mole bait designed, developed and scientifically proven to kill moles

Fastrac Place Paks - A fresh tasting, highly compressed pellet that mice and rats love.

Fastrac Blox -A quick and effective solution to controlling populations of rats and mice, especially Norway rats, Roof rats and House mice.

View more Mouse Control products
View more Rat Control products

Related Articles:  
Baiting Tips for Mice
Baiting Tips for Rats
Baiting Tips for Roof Rats
Rodent Baiting Failure
How To Rodent-Proof Your Home
Moles Identification & Biology

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