TL;DR: While the insecticide in most ant traps is low-toxicity for dogs, the plastic casing poses a risk for digestive upset or physical blockage. Monitor your pet for vomiting or lethargy and contact a vet if they are very small or consumed multiple traps.
What are ant traps and what active ingredients do they contain?
Most household ant traps consist of a plastic housing containing a bait made of sugar or grease mixed with an insecticide. Common active ingredients include borax (sodium tetraborate), avermectin, or hydramethylnon. Because these traps are designed to be used around homes, the concentration of the active poison is typically very low.
Is it an emergency if my dog eats an ant trap?
- The urgency level for this situation is generally low; the toxin amount is usually insufficient to cause systemic poisoning in most dogs.
- The primary risk is the plastic casing itself, which can have sharp edges or cause minor stomach upset.
- Monitor your dog for any signs of vomiting, diarrhea, or unusual lethargy.
- Immediate emergency intervention is rarely required unless multiple traps were consumed or the dog is very small.
How does taking a photo of the trap help with my dog's triage?
- A clear photo allows a veterinarian or poison control specialist to quickly identify the specific active ingredient and exact dosage ingested.
- By examining the remains of the plastic casing in a photo, a vet can estimate the risk of a gastrointestinal blockage.
- A professional can use the image to determine if the pieces are small enough to pass naturally through the digestive tract.
Clinical Context (Merck Veterinary Manual)
In dogs that have ingested ant traps, emesis induced with 3% hydrogen peroxide or apomorphine may be effective within 4 hours of ingestion. Depending on the ingested dose of bromethalin, administration of activated charcoal (1-2 g/kg) is indicated to prevent toxicosis, even after 4 hours. Because bromethalin undergoes enterohepatic recirculation, repeated doses of activated charcoal may be helpful. When administering activated charcoal, be aware of the risk of aspiration or hypernatremia. For bromethalin dosages of 0.1-0.49 mg/kg in dogs, emesis alone within 4 hours may be adequate.
Chapter: Toxicology, Emergency
Source: The Merck Veterinary Manual, 11th Edition (Page 3168)