What kind of wheel did she have? Ie did it have a solid running surface? Even then some wheels have areas where a foot can get trapped. She is very sweet? It does look unusual like in the ankle area. But then sometimes hamsters do unusual things and get into unusual places. But you have thought of that by moving her to a tank style. An injury or break can cause swelling as well but it would be unusual in all four legs.
I would suggest you see an exotic vet and ask for an x ray. If you google exotic vets in your region there is bound to be a practice not far away. Exotic vets know a lot more about hamsters than a general small animal vet and I would rule out broken bones with an x ray.
The fact that it is all four feet does suggest something like an activity such as wheel running. And possibly getting trapped.
Apparently bumblefoot can spread to the leg area. Did she have a wire wheel or a mesh platform in her previous cage?
Last edited by souffle; 11-12-2019 at 04:01 PM.
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