Ask a Dog Vet and Get Answers to Your Dog Veterinary Questions
Hello. Thanks for writing in. My name is***** and I would be happy to help you. I am not set up to do phone calls but would be happy to answer any questions you do have online. In order to give an informative and concise answer, it may take a few minutes before I respond back to you, so don't be alarmed if you don't hear back immediately if you have responded back to me within 10 minutes of my response. I do have a couple more questions, though, to see if I can better assess your situation.
How long has this been going on for?
Is she very itchy?
Any crusty lesions on her elbows or hocks (ankles)?
What breed is she?
Thanks for the information. Problems on the ear margins can be caused by a few things. Sarcoptic mange (scabies) is an important one, but they are usually very itchy. You may also see lesions like this from flies. They tend to strike and bite at the tips of the ears. Lastly, and the one I would be thinking more about, is a condition called proliferative thrombovascular necrosis. It is a condition that causes inflammation to the blood vessels and most commonly is seen at the ear tips. The problem is that a biopsy is necessary to get a definite diagnosis. This is how I would approach it. I would clip and clean the areas and start her on an antibiotic. I would also prescribe a topical steroid/antibiotic combination ointment. I may also recommend getting a pet insecticide gel from the pet store. If not resolving with that, I would recommend a biopsy, but I would be willing to try a medication called pentoxifylline, which is used for treating the blood vessel inflammation. It most likely isn't ringworm or another source of trauma due to it being on both ears (that is my assumption, let me know if I am wrong), but your vet may still want to rule out those issues and even get a skin scraping to make sure it is not scabies. Please let me know if you have any other questions or concerns. Hope this helps.
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You can place a warm compress over the area for a few minutes and clean it with some soap and water. Dry it and place some Neosporin on it. You can also try getting some insecticide gel from the pet store. Hope this helps.
Unless it is scabies or ringworm, which would both be unlikely, there isn't anything else I would be worried about spreading. Let me know if you have further concerns.