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Bump on dog's ear.

Species: Dog
Breed: Dogue de Bordeaux
Age: 1-2 years
Hi Dr. Marie

My dog Syrous is 22 months old and is a Dogue de Bordeaux. 2 days ago I was rubbing Sy's ear and I noticed a little bump. Tonight when I got home I was rubbing the same ear and noticed it was a bit bigger and has turned into a scab. If you lightly put pressure over the spot you can still feel a bump. Could it be a bit from an insect or something more serious.

Thank You,

Joe Patterson


ps. please reply



Online vet, Dr. Marie

Dr. Marie replied:

Hi and thanks for your question. It's always hard to answer questions about skin issues without being able to see the dog but I'll give you my thoughts.

There certainly is a good chance that this is simply a scab from an insect sting or even a wound from a nip from another dog.

If the lump comes back then I would have it checked out by your vet to make sure that it is not a mast cell tumor as these can be serious lumps.

It could also be something called a histiocytoma. These look something like this:

histiocytoma on dog's ear

Sarcoptic mange (a skin mite) can cause itchiness and scabbing on the ear margin as well.

If it is something simple like a bug bite it should be cleared up in a few days. If it is not clearing up then a vet visit is a good idea.

Dr. Marie

---This question was asked in our Ask A Vet For Free section.---


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Dr. MarieDr. Marie is a veterinarian who practices in a busy animal hospital in Ottawa, Ontario. She created Ask A Vet Question as a resource for good, accurate veterinary advice online. Dr. Marie treats dogs, cats, hamsters, guinea pigs, and rats. She has been a vet since 1999.

Is an online vet visit just as good as a trip to your veterinarian? No! But, many times, asking an online veterinarian a question can help save you money. While Dr. Marie can't officially diagnose your pet or prescribe medications, she can often advise you on whether a vet visit is necessary. You can also ask Dr. Marie for a second opinion on your pet's condition.