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Onions

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Onions

Vegetables

Toxic Dog
Contains N-propyl disulfide. Damages red blood cells causing hemolytic anemia. All forms (raw, cooked, powder) are toxic.
Toxic Cat
Cats are even more sensitive than dogs. Causes oxidative damage to red blood cells.
Toxic Bird
Contains sulfur compounds that can irritate the crop and cause hemolytic anemia in birds.
Toxic Reptile
Not part of any reptile's natural diet. Sulfur compounds are harmful.
Toxic Horse
Causes Heinz body anemia in horses. All parts of the onion plant are dangerous.
Toxic Rabbit
Causes blood abnormalities and immunosuppression. Can be fatal.
Toxic Small pet
Toxic to all small mammals. Causes hemolytic anemia.
Toxic Ferret
Causes hemolytic anemia. All forms including powder are dangerous.

If your pet ate something dangerous

  1. Stay calm. Note what your pet ate, how much, and when.
  2. Call your vet or emergency animal hospital immediately.
  3. Call ASPCA Animal Poison Control: (888) 426-4435 A consultation fee may apply.
  4. Call Pet Poison Helpline: (855) 764-7661 A consultation fee may apply.
  5. Do NOT induce vomiting unless directed by a professional.
  6. Bring packaging or a sample of what was ingested to the vet.

About SafeBite

SafeBite is for informational and educational purposes only. It is not a substitute for professional veterinary advice, diagnosis, or treatment. Always consult your veterinarian before feeding your pet new foods, especially if your pet has known allergies, health conditions, or dietary restrictions. Toxicity can vary by species, breed, size, age, and individual health. When in doubt, contact your vet or call the ASPCA Animal Poison Control Center at (888) 426-4435.

Data sources: ASPCA, FDA, Pet Poison Helpline, and peer-reviewed veterinary literature.