Is Rat Poison (Rodenticides) Toxic to Dogs and Cats?
Yes, Rat Poison (Rodenticides) is toxic to pets. Rodenticides come in different types with different mechanisms. Anticoagulant types prevent blood clotting, bromethalin causes brain swelling, and cholecalciferol causes calcium poisoning. All are extremely dangerous to pets.
Toxic - Danger
Toxicity depends on the amount consumed and your pet’s weight. Contact your vet for dose-specific guidance.
Rodenticides come in different types with different mechanisms. Anticoagulant types prevent blood clotting, bromethalin causes brain swelling, and cholecalciferol causes calcium poisoning. All are extremely dangerous to pets.
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Why Is Rat Poison (Rodenticides) Toxic?
Toxic Compounds: Varies: Brodifacoum, Bromethalin, Cholecalciferol, etc.
Signs of Rat Poison (Rodenticides) Poisoning
If your pet has been exposed to Rat Poison (Rodenticides), watch for these symptoms:
- Anticoagulant: Bleeding, bruising, blood in urine/stool, lethargy (delayed 3-5 days)
- Bromethalin: Tremors, seizures, paralysis, death (within hours to days)
- Cholecalciferol: Increased thirst/urination, vomiting, kidney failure
What To Do If Your Pet Ate Rat Poison (Rodenticides)
Identify the type of rat poison if possible - treatment varies
Bring the packaging to the vet
Seek immediate veterinary care
Note approximate amount consumed and time
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Veterinary Treatment
Treatment varies by type. Anticoagulants: Vitamin K therapy for weeks. Bromethalin: Decontamination and supportive care. Cholecalciferol: Aggressive fluid therapy and medications to lower calcium.
How Much Rat Poison (Rodenticides) Is Dangerous?
Secondary poisoning can occur if pets eat poisoned rodents. Always know what type of rodenticide is used in your home. Treatment protocols differ significantly between types.
Common Measurement Reference
1 tsp
~5 grams
1 tbsp
~15 grams
1 oz
~28 grams
1 cup
~240 grams
Pet Weight Categories
Small
<10 lbs (4.5 kg)
Medium
10–50 lbs (4.5–23 kg)
Large
50+ lbs (23+ kg)
Toxicity depends on your pet's weight, breed, and health conditions. This is for reference only — always contact your veterinarian for guidance specific to your pet.
Information for Veterinarians
Secondary poisoning can occur if pets eat poisoned rodents. Always know what type of rodenticide is used in your home. Treatment protocols differ significantly between types.
Reviewed by: Dr. Robert Kim, DVM, DABVT
Last updated: November 20, 2024
Sources: ASPCA, Pet Poison Helpline
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