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Black spot on dog's chest.

Species: Dog
Breed: Black Lab
Age: 5-8 years
My Dog recently got this black spot on her chest. When I first looked at it, it looked like there was a hole in it. Then the next day where the hole was it just looks like dry skin. One area is slightly raised. She lets me touch it and it doesn't seem like it's affecting her. There's no redness, swelling, weeping or itching. It has been there for about 2 weeks now with no change. I just figured it was a new mole. I sent 2 pictures of it to the email address. I would like to get an idea of what it could be and if it could be serious. At the same time I don't want to freak out and rush her to the Vet and pay 100+ just for them to say its a normal mole.


Online vet, Dr. Marie

Dr. Marie replied:

This is a tough one! I have had a look at the photos that you sent me and I can't say that I've got any solid conclusions for you:

black spot on dog's skin

black spot on dog's chest

My gut instinct is that this is nothing to worry about. It may be some type of a scab from a scratch. If this is the case then it should go away on its own over the next week or so.

It's also possible that this is a localized area of infection although it doesn't look typical of this. If it is getting larger or red and inflamed then I'd have it checked.

I think that this is unlikely to be cancerous but I can't say for certain without doing tests on it. We do see melanomas in dogs, but they don't usually look like this.

At this point I would keep an eye on this and if it gets much bigger, red or starts to ooze then I'd have your vet check it out.

Dr. Marie.


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Disclaimer: Although Dr. Marie is a qualified veterinarian, the information found on this site is not meant to replace the advice of your own veterinarian. AskAVetQuestion.com and Dr. Marie do not accept any responsibility for any loss, damage, injury, death, or disease which may arise from reliance on information contained on this site. Do not use information found on this site for diagnosing or treating your pet. Anything you read here is for information only.

Customer reply:

Thank you so much. I just checked it again and still no changes. I plan to just watch it but so far nothing alarming has happened. This gives my mind some peace.


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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.