Can hamsters eat spring onion?
Quick verdict
Unsafe
Key risk
Toxic allium compounds damage red blood cells; extremely dangerous in a small animal.
Why
Never give spring onion to hamsters.
Can hamsters eat spring onion, and why?
Never give spring onion to hamsters. Toxic allium compounds damage red blood cells; extremely dangerous in a small animal.
Hamsters are omnivores who do best on a complete hamster mix, with small amounts of fresh food as treats. They are tiny and prone to obesity and diabetes (especially dwarf hamsters), with sensitive tummies, so portions must be minimal and sugary or watery foods limited.
Warning — what to watch for
Toxic allium compounds damage red blood cells; extremely dangerous in a small animal.
If your hamster 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.
More foods hamsters might eat
Make treat time better
Handy kit for feeding hamsters well:
Frequently asked questions
Can hamsters eat spring onion?
Unsafe. Never give spring onion to hamsters.
What happens if my hamster eats spring onion?
Toxic allium compounds damage red blood cells; extremely dangerous in a small animal. If your hamster 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 hamsters?
Unsafe. Never give spring onion to hamsters.
Check spring onion for another pet