Call ASPCA Poison Control: 888-426-4435 or your vet immediately.
Onion is not safe for Bearded Dragons and should never be offered. Onions are toxic to reptiles for Bearded Dragons. There is no safe serving size — even tiny amounts can cause serious harm.
Causes blood cell damage in reptiles too. If your Bearded Dragon has accidentally eaten Onion, do not wait for symptoms. Contact your vet or ASPCA Poison Control (888-426-4435) immediately — early treatment dramatically improves outcomes.
| Thiosulfate | ❌ Toxic to all pets |
| All forms | Raw, cooked, powder |
| Safe amount? | Zero |
| Action | Vet immediately |
Vet-recommended, best-selling on Amazon