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Red spot on dog's neck.

Species: Dog
Breed: Pug
Age: 1-2 years
I just noticed a red spot on my pug. I will try to attach a picture. It's on his back a little above his shoulder blades and about the size of a dime. His hair is coming off in that spot. It is a little raised and very red and crusty. Should I take him to the doctors?
I will email the photo of Thunder.
Thank you!


Online vet, Dr. Marie

Dr. Marie replied:

Thank you for sending me this excellent photo of the red spot on your dog's neck:

red spot on dog's neck

You mentioned when you sent the photo that you had recently applied a topical flea medication. I think that there is a good possibility that this is a reaction to that treatment.

Whether or not you take your dog in to see the vet depends on how bothersome the spot is. If your dog is not scratching at it then it may be ok to watch it for the next few days and see if it is improving. If it's getting bigger or starts to ooze pus at all then I'd take him in for a vet to look at it. However, if it is really itchy then he should probably have it looked at sooner.

Reactions like this are not common, but I have definitely seen them happen.

Hope things work out ok!

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 Dr. Marie!


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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.