Call ASPCA Poison Control: 888-426-4435 or your vet immediately.
Onion is not safe for Gerbils and should never be offered. Onions toxic to gerbils for Gerbils. There is no safe serving size — even tiny amounts can cause serious harm.
Causes blood cell damage in gerbils. If your Gerbil 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