Green onions (scallions) — Food safety facts
Do not feed · Dogs · full breakdown on the linked food page
Toxic, same family as onion and garlic. Damages red blood cells and causes anemia that can appear days later.
Short answer
Yes, green onions are toxic to dogs and you should contact a veterinarian or the ASPCA Animal Poison Control Center at 888-426-4435 right away. They belong to the same plant family as onions and garlic, which damage red blood cells and can lead to anemia. Symptoms like weakness, pale gums, or lethargy might not appear for several days, so getting prompt advice is crucial even if your dog seems fine now. Do not wait for signs to show; immediate professional guidance is the safest step.
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