How To Tell If Your Dog Ate Rat Poison
In the quiet corners of our homes—cabinets, basements, garages—there’s a potential danger that can harm our dogs: rat poison. Regardless of why rodenticides are used, your dog’s health and safety should always come first. Dogs are naturally inquisitive, and accidents can occur when rodenticides are present.
The Call of Caution
If you’re concerned your dog may have ingested rat poison, review the symptoms below and how to prevent future accidents. For immediate concerns, contact Poison Control (1-800-222-1222), Pet Poison Helpline (855-764-7661), or visit the nearest animal hospital.
The Four Deadly Poisons
Effects vary by toxin. Here are four common culprits, their symptoms, and what to do if your dog encounters them.
ACR — Anticoagulant Rodenticides
Examples/brands: JT Eaton, Bell, Generation, Final Strike, Rodex, Havoc, Talon.
ACRs prevent clotting and cause internal bleeding. Signs may take 3–5 days to appear unless there’s chronic exposure.
Common symptoms:
- Lethargy, weakness/collapse
- Difficulty breathing; coughing (with or without blood)
- Pale or bleeding gums
Treatment: Prescription vitamin K1 from a veterinarian (often up to 30 days). Over-the-counter vitamin K or food supplements are not adequate.
Cholecalciferol (Vitamin D₃)
Examples/brands: d-Con, Quintox, Bell, Motomco.
Extremely dangerous—very small amounts can be lethal. Treatment is challenging and costly.
Common symptoms:
- Lethargy, weakness; decreased appetite
- Increased thirst and urination; halitosis
- Tremors/shaking
- Possible kidney failure and death
Treatment: No specific antidote. Aggressive IV fluids and monitoring to correct calcium/phosphorus; hospitalization often up to a week.
Bromethalin
Examples/brands: Neogen, Motomco, Bell.
Causes brain swelling and does not have a specific antidote. Do not confuse with anticoagulants (brodifacoum, bromadiolone)—vitamin K1 does not treat bromethalin. Signs can develop within 2–36 hours.
Common symptoms:
- Lethargy, anxiety
- Tremors/shaking; impaired coordination
- Decreased appetite; vomiting
- Hind-limb paralysis; seizures; possible coma/death
Treatment: Decontamination as directed by a vet (induced vomiting when appropriate, activated charcoal with cathartic), IV fluids, anti-seizure meds and muscle relaxants as needed. Recovery can take weeks.
Phosphides
Examples/brands: Prozap, Motomco (mole/gopher baits).
Produces toxic gas in the stomach and can also endanger people nearby. If vomiting occurs indoors, fumes may irritate lungs—ventilate the area immediately.
Common symptoms:
- Excess drooling; abdominal pain and bloating
- Weakness/collapse; vomiting
- Seizures; possible liver damage
Treatment: Withhold food (food increases toxic gas). Seek immediate veterinary care. No specific antidote; your vet may induce vomiting, pump the stomach, give antacids, and provide IV fluids and monitoring.
How to Prevent Rat Poisoning
A few proactive steps can keep pets out of danger. Consider these before deciding if/where to use rodenticides:
- Don’t use rat poison. Choose non-toxic rodent control methods whenever possible.
- Place traps where pets can’t access them. If you can easily reach it with your hand, a curious dog probably can too. Use height, barriers, and closed spaces.
- Use secure stations. If poison is used, place it inside a locked/bait station or cage large enough for rats but too small for pets.
- Monitor your dog. Keep a close eye indoors and outdoors. If you notice any unusual behavior, contact your vet promptly.
If your dog shows symptoms listed above, call your veterinarian or the nearest animal hospital immediately. When in doubt, get a professional opinion—early treatment saves lives.
An Alternative
Goodnature’s A24 Automatic Rat & Mouse Trap offers a humane, toxin-free alternative that helps protect children, pets, and local wildlife from rodenticide risks. See our Goodnature collections to learn more and shop.