It depends on how severe the injuries are.
Yes sometimes they do and sometimes they will just let it heal as best as it can either way it should be fine.
you should just let it heal on its own. it will heal quickly
1 week
You need to take it to your vet, as it will NOT heal on it's own
A hamster with a dislocated shoulder is not going to die. He should be taken to the vet, who can pop the shoulder back into place and heal the hamster.
A bite from a dwarf hamster isn't any worse than getting a paper cut. You should use a disinfectant just in case. You probably won't get a infection, but it is possible.
Rodents, unlike most mammals cannot heal broken bones.
yes you can , drop it again so it dies
yes they do heal depends really on what size it is,if it is anything under 12mm/g,it will heal
How are up the finger did the nail break?If the hamster broke a tiny chip of nail, it will heal on it's own. If the hamster broke the nail into pink area of the nail, you should bring it to the vet for medicine. If the hamster broke the whole nail off, you definitely need to bring it to the vet!
Well, it's like any bruise. You wait for it to heal. Make sure to give your hamster nutritious foods to speed up the healing. If it is a bad bruise, bring it yo your vet.
It should stop hurting in about a day. Make sure you wash it well and put a little peroxide or antibacterial ointment on it. It will be completely gone in about three days as long as you don't keep touching it and breaking the scab that forms.