Try Colloidal silver
Thank you for writing. We recommend that you take your cat to a veterinarian for proper advice and treatment.
Silver was lost
Cleaning first and try arnicare cream "arnica montana" for 3 days, simple
You can use all of the above just watch your cat as she can ingest ingredients that aren't meant for cats.
hydrocortisone
Try cleaning it with peroxide and then applying Neosporin ( that is what I did with my puppy when she had a open skin on her ear). Keep it clean.
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