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Bumps on bulldog.

Species: Dog
Breed: American Bulldog
Age: 5-8 years
Dr. Marie,

Rocky has been having a series of hives over the past few weeks, which first started on his back. You can run your hands over his back and feel them. Almost like large pimples, they are crusty, the hair falls out, and he's left with a small bald patch, and the patch is pinkish, an outlined circle. I can pull the hair out where the little hives are. They don't itch him or seem to cause him any pain. The only thing that I have changed is I out him on Trifexis, which after reading about I think I might not use again, but wasn't sure if you've heard of this being a possible side effect. No change in food either.

I'm worried that his hair is just going to keep falling out. It's starting a little bit on his rear quarter.

Thanks in advance,
Monika Baldwin


Online vet, Dr. Marie

Dr. Marie replied:

Hi Monika,

This doesn't sound like something connected to Trifexis. I know there have been some odd Trifexis side effects being seen, but they really are rare and so far, I haven't seen any skin issues connected with Trifexis.

I have a couple of thoughts about Rocky. I can't give you a diagnosis over the internet, but I can give you a couple of ideas though.

I have seen dogs that mysteriously get hives that come and go. Usually this is the result of an allergic reaction but often we don't find out what the dog is allergic to. However, what you are describing with crusts and hair loss, actually sounds more like a bacterial infection than an allergic thing like hives.

Bulldogs are very prone to skin infections. The cause is often unknown. If this is a skin infection then the only treatment is several weeks of antibiotics prescribed by your vet.

It does sound like a vet visit is necessary. They can determine whether this truly is a skin infection and get you the right antibiotics. I wouldn't prolong it too long because the longer a skin infection goes on, the longer it will take to clear up.

I hope things are better soon!

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, I will be making an appointment for him this week. I do believe this might be what he has.

Thanks again!

Monika


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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.