Why does my dog's crusty ear scab keep coming back after treatment?

Question

My dog cooper has had a growth if you will in his ear. It's a crusty scab and I'd say it's about a centimeter in depth when it grows. Hes been to the vet and they removed the scab and put ottomax ointment on it. The scab does not go away, it constantly grows back. Hes had it for years. We have also given him allergy injections to see if that would help but it didnt. He has a smaller one on the other ear but it's nothing compared to this one ear. The pic included is after I took the scab off. Pet's info: Dog | Mixed Breed Large (61lb +) | Male | neutered | 65 lbs

Jessica Desrosiers · Accepted Answer

Ouch! If you haven't already, your may want to have a biopsy done of the scab or the affected area and then sent to a lab. This can help determine what is going on with the cells there (whether its abnormal or just poor healing) and can also be checked for bacteria, yeast, etc that may be slowing healing and need treatment.

Why does my dog's crusty ear scab keep coming back after treatment?

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