If you dribble some electrolyte solution along her beak using a eye dropper you might get her to drink. The neosporin without pain killers will do the trick provided the wound is clean, if it is smelling the bird will likely need antibiotics. You might have to get some vet wrap to prevent her from moving the wing while you are treating her and to help with the healing . I can't help you there, if there is a good feed store around talk to them, they usually carry several medications for various animals. Hopefully you can find a vet that will care for your chicken, you will likely discover that most of them will not treat chickens.
Good luck.
Good luck.
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