My dog has recurring ear infections & bumps. Allergies or cancer?

Question

I'm seeing my vet Thursday for a recheck. But I feel my concerns have been pushed aside so I am looking for a 2nd opinion. My dog has reoccurring ear infections, bumps on his head and now has a huge abscess with a drain that could have only been caused by the penicillin shot as there was no injury present. They also said the tissue inside the abscess looked very weird. I'm wondering if this is all due to a severe allergy or if there is an underlying cause like cancer or something else. Should I. Pet's info: Dog | Mixed Breed Large (61lb +) | Male | neutered | 2 years and 11 months old | 80 lbs

Ricardo Fernandez, DVM · Accepted Answer

Thanks for using Petco Pet Education Center, formerly Petcoach! Poor guy! This can certainly be just an abscess due to an infection. However, it is possible that there is an underlying cancer which is why this keeps occurring. I think this is less likely to be true and this is more likely just an abscess that needs to be treated. If this has improved on the therapies that Kronk is on at this time then I would follow the course. If he is not improving, they should consider submitting the wound fluid to a laboratory to check for the possibility of a resistant infection that may need to be treated with a different antibiotic. Otherwise, they should sample that tissue inside and submit to a laboratory for histopathology to check for the possibility of underlying cancer. The facts that there are lesions in different places makes allergies possible. I am hoping for a speedy recovery!

My dog has recurring ear infections & bumps. Allergies or cancer?

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