Ask a Dog Vet and Get Answers to Your Dog Veterinary Questions
Sorry to hear about your dog's tussle with a raccoon. Even though there is no talk of rabies, its important to make sure your dog has been vaccinated. Even if she was, I recommend monitoring for unusual behavior or neurologic signs for the next 10-14 days and have her evaluated by your veterinarian if you not anything out of the ordinary.
As far as the wound, there is likely no need to do anything further at this point since it appears to be healing well and most superficial wounds will heal well with out antibiotic intervention if the dog is healthy.
If the wound is deeper (which may not be apparent given the scab) or puncture wound, its possible that an abscess may form so continue to monitor the area for swelling, heat, pain or redness (if you can see the skin) over the next 5-7 days. You can warm compress the area to help draw out infection if you notice an abscess forming but the best thing to do at that point would be to take her to your vet so that it can be opened up and a drain can be placed to allow further drainage. At this time, antibiotics and likely pain medication can also be prescribed.
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All the Best,