'Rat poison' covers several different active ingredients with different mechanisms: anticoagulants (internal bleeding, signs delayed 3-5 days), cholecalciferol/vitamin D3 (dangerous calcium elevation, kidney damage), bromethalin (neurological, tremors/weakness).
Call a vet or poison control now. Do not wait for symptoms.
ASPCA Animal Poison Control (888) 426-4435 or Pet Poison Helpline (855) 764-7661. A consultation fee may apply.
Source-backed guidance. Not individualized veterinary advice.(more)
Compiled from veterinary poison-control and medical references, including the ASPCA Animal Poison Control Center, Pet Poison Helpline, and Merck Veterinary Manual.
Part of our guide to Dog Got Into Rat/Mouse Bait (Rodenticide): Exposure Guide, Symptoms & What to Do.
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Available 24/7. A consultation fee may apply.
Why Rat/Mouse Bait (Rodenticide) is dangerous
'Rat poison' covers several different active ingredients with different mechanisms: anticoagulants (internal bleeding, signs delayed 3-5 days), cholecalciferol/vitamin D3 (dangerous calcium elevation, kidney damage), bromethalin (neurological, tremors/weakness).
Signs to watch for
Lethargy, weakness, pale gums, unexplained bruising/bleeding, coughing, breathing difficulty, tremors, increased thirst/urination.
Related items
Check the exact item or ingredient before assuming two similar exposures carry the same risk.
What to do next
Call poison control now. Bring or photograph the package: the active ingredient determines treatment (e.g. vitamin K1 antidote for anticoagulant type).
🚨Step-by-step: what to do in the first 10 minutes →Available 24/7. A consultation fee may apply.
A closer look at rat/mouse bait (rodenticide)
'Rat poison' covers several different active ingredients with different mechanisms: anticoagulants (internal bleeding, signs delayed 3-5 days), cholecalciferol/vitamin D3 (dangerous calcium elevation, kidney damage), bromethalin (neurological, tremors/weakness). The details below use the specific facts for this exposure, rather than treating it like every other househol question.
1. Start with the exact exposure
For a closely related comparison, read Oven Cleaner. Cannot be assessed by weight alone since danger depends entirely on which active ingredient. Anticoagulant type especially can look symptom-free for days while clotting quietly fails.
2. Use the facts to decide whether to monitor or call
Another helpful reference is Rodent Poison. None: do not wait to see if the dog gets sick. Call poison control or your vet immediately, even with no symptoms yet.
3. If the details are uncertain
Follow the first 10 minutes guide. Call poison control now. Bring or photograph the package: the active ingredient determines treatment (e.g. vitamin K1 antidote for anticoagulant type).
FAQ
Cannot be assessed by weight alone since danger depends entirely on which active ingredient. Anticoagulant type especially can look symptom-free for days while clotting quietly fails.
None: do not wait to see if the dog gets sick.
Call poison control or your vet immediately, even with no symptoms yet.
- Pet Poison Helpline, mouse and rat poison
- ASPCA APCC rodenticides
- Merck Veterinary Manual, rodenticide toxicoses
- ASPCA Animal Poison Control Center
- Merck Veterinary Manual: overview of household hazard toxicoses in animals