bromethalin dog
Matthew Wilson
Updated on June 23, 2026
Toxicity to pets
Common signs of bromethalin poisoning include lethargy, weakness, incoordination (ataxia), tremors, seizures, paralysis, and eventually death.
How much bromethalin is toxic to a dog?
Toxic consumption: In dogs, ingestion of 2.5 mg/kg (1.1 mg/lb) of bromethalin can be fatal. In cats, the toxic threshold is lower at 0.45 mg/kg (0.2 mg/lb).
How long does bromethalin take to show symptoms in dogs?
Animals that have ingested bromethalin at toxic levels typically develop symptoms within 4 to 36 hours. Acute symptoms for both cats and dogs include tremors, seizures and paralysis. Less toxic doses typically produce a slower onset of symptoms, with signs including lethargy, hind-leg weakness and loss of muscle tone.
Is there an antidote for bromethalin?
Bromethalin is incorporated into poisonous baits. It is used because there is no known target species tolerance to bromethalin (1,2). Since there is no specific antidote for bromethalin intoxication, all that can be offered to veterinary and human patients is supportive care.
Can my dog survive bromethalin?
Smaller ingestions of bromethalin may just lead to mild stomach upset. Mid-range ingestions can cause your pet to become unsteady on their feet, mildly depressed and even have mild muscle tremors. In these situations, your pet may have these signs permanently, or they may improve over weeks to months.
What happens if I touch bromethalin?
One hundred and thirteen patients (89.7%) had no effects post exposure, while 10 patients (7.9%) had a minor outcome. Adverse effects were minor, self-limited, and mostly gastrointestinal upset. There were no moderate, major, or fatal effects in our study population.
How long does it take for bromethalin to affect a dog?
Clinical Signs of Bromethalin Exposure in Dogs and Cats
Clinical signs may develop within 4 to 36 hours of exposure.
How much Tomcat will hurt a dog?
Unfortunately, it turns out the bromethalin can be fatal to dogs in fairly small amounts — less than 38 ten-thousandths of an ounce (108 mg) will kill a fifty pound dog, although it can take as little as one-fifth of that amount to kill a young dog of the same size.
What happens if my dog ate Tomcat rat poison?
Gastrointestinal Signs
Dogs that ingest cholecalciferol-containing rodenticides will develop symptoms of the gastrointestinal tract, such as vomiting, diarrhea, loss of appetite, and/or constipation. Thirst and increased urination may be present as well when the kidneys are involved.
Will milk help a dog that ate rat poison?
Many pet owners feed their dog milk after a potential poisoning because they believe it will help neutralize the poison. This is rarely helpful and dogs and cats are generally lactose intolerant. Don’t give your pet milk unless a veterinary professional tells you to do so.
Is Tomcat lethal to dogs?
A: Tomcat® has bait stations that are Child & Dog Resistant. They have been proven resistant to tampering by children and dogs. However, as with all poisons, care should be taken to keep them away from children, pets, and wildlife.
Is bromethalin humane?
Because only small amounts are needed to kill a rodent, a predator is unlikely to be harmed by consuming a bromethalin-poisoned rodent. This is good news for owls, hawks, and other rat-consuming wildlife. For dogs and cats, however, this is only a small advantage as pets commonly consume the insecticide directly.