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Phosphides

Poisonous to: Cats, Dogs

Level of toxicity: Generally moderate to severe

Common signs to watch for:

  • Drooling
  • Nausea
  • Vomiting
  • Abdominal bloat
  • Diarrhea
  • Abdominal pain
  • Shock
  • Collapse
  • Seizures
  • Liver damage
  • Difficulty breathing
  • Death

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Phosphides are found in certain types of mouse and rat poison or in mole or gopher baits. Phosphides work by releasing deadly phosphine gas, which is produced when the poison mixes with stomach acid. Food in the stomach will increase the amount of gas produced and, therefore, increase the toxicity of phosphide poisoning. Therefore, do not feed your dog or cat after they get into this type of poison. Clinical signs seen from phosphides include drooling, nausea, stomach bloating, vomiting, abdominal pain, shock, collapse, seizures, liver damage, lung damage, and even death.

It only takes a tiny amount of phosphides to cause poisoning. Also, as this type of mouse and rat poison does not have an antidote, immediate therapy should be sought by calling Pet Poison Helpline and seeking veterinary attention. Administration of antacids (e.g., Maalox®) soon after ingestion may help to decrease the amount of gas produced. Please be aware that phosphine gas poses a threat to people also, so inducing vomiting is best done by veterinary professionals (not pet owners) in a well-ventilated area or outdoors. If your dog vomits on the way to the veterinarian, make sure to open your car windows (safely) or turn on the A/C so the gas doesn’t poison you also! Inhalation of the fumes from your pet’s vomit may cause lung irritation to both you and your pet.

Never give home remedies like milk or food without consulting a veterinarian or Pet Poison Helpline specialist first! Likewise, never induce vomiting in your dog or cat without consultation, as it can be more dangerous to your pet.

Poison type: Garage Items

Alternate names: Rodenticide AG, Gopha-Rid, ZP, Sweeney's Poisoned Peanuts, phosphide, aluminum phosphide, zinc phosphide, Arrex, Denkarin Grains, Phosvin, Pollux, Ridall, Ratol, Zinc-Tox