Hi Teri,
I'm sorry to hear that your raccoon friend is ailing.
My first concern would be that YOU do not get hurt in your attempts to help Zorra out. Be sure to wear heavy grade contractor's work gloves during treatment and feeding in case for any reason she develops a tendency to bite.
I would consider getting ahold of the Fish and Wildlife Department and see if there is a regional wildlife rehabilitation center where Zorra can be treated and then rereleased into your area once she has recovered.
Cleaning the wound with peroxide and using nitrofurazone powder is a great topical therapy treatment for her wound. I am worried about a fracture to the leg, though, and this is why I think she may need veterinary intervention! IF you wait too long on seeking help for her and there is a fracture, the leg may not be able to be repaired and Zorra may have to be euthanized or permanently be integrated into a wildlife rehab center due to her disability.
IF she will eat the pudding, the Ampicillin is better than nothing at all. With the evidence of pus, it is likely the wound is infected! I would give her a minimum of 250 mg every 12 hours daily for 10-14 days or until the leg heals completely.
Please do not release her with the injured leg. You will want to keep her confined in an area where you can care for her and monitor her progress.
You should search for an exotics vet somewhere in your local area . Someone should be within an hour or two for you to get some further advice. As raccoons are wild animals, vets in private practice are NOT allowed to see them as patients. They may be willing to dispense some more medications for you though, so it will be important to establish a relationship with someone!! Otherwise, you will have to work through a wildlife rehabilitation organization to get her care.
Please keep me updated on how she is doing!!
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Best Wishes and Happy Holidays to You and Your Pet! Dr. Jodi L. Smith
Veterinarian
Veterinarian in Small Animal Practice for 12 years