Can dogs eat spring onion?
Quick answer: No — spring onion is not safe for dogs and should never be given.
Quick verdict
Unsafe
Key risk
Like all onions, they damage red blood cells and can cause life-threatening anaemia.
Why
Spring onions are toxic to dogs and must never be given.
Can dogs eat spring onion, and why?
Spring onions are toxic to dogs and must never be given. Like all onions, they damage red blood cells and can cause life-threatening anaemia.
Dogs are omnivores, so most of their diet should be a complete, balanced dog food, with treats on top. They cope with a wide range of foods, but rich, fatty or sugary ones can cause stomach upset and, over time, weight gain or pancreatitis.
Warning — what to watch for
Like all onions, they damage red blood cells and can cause life-threatening anaemia.
If your dog has eaten spring onion, don’t wait for symptoms — contact your vet immediately, or call the Animal PoisonLine on 01202 509000 (24/7, UK). Signs of a problem can include vomiting, diarrhoea, drooling, lethargy, tremors or loss of appetite.
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Frequently asked questions
Can dogs eat spring onion?
Unsafe. Spring onions are toxic to dogs and must never be given.
What happens if my dog eats spring onion?
Like all onions, they damage red blood cells and can cause life-threatening anaemia. If your dog has eaten spring onion, contact your vet or the Animal PoisonLine (01202 509000) straight away — don’t wait for symptoms.
Is spring onion poisonous to dogs?
Unsafe. Spring onions are toxic to dogs and must never be given.
Free printable: safe & toxic foods for dogs
spring onion is just one food — get the full one-page checklist of what’s safe, fine in moderation, or dangerous for dogs. Vet-sourced, yours to print and keep.
Check spring onion for another pet
Sources
Our verdict on whether dogs can eat spring onion draws on established UK and US veterinary and welfare organisations. Individual pets, quantities and preparation vary — always confirm with your own vet.