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My dog cried out in pain, found a bump. Is it a tick or blister?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed | Male | unneutered | 16 lbs

My dog started crying out in pain last night and we assumed he hurt his arm but I found this today. Don’t know if it’s a tick or a blister.

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1 Answer

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Answered By Megan, DVM, CVA

Veterinarian

Published on June 5th, 2018

It looks like a little blister or mass of some sort but of course, difficult to say for sure with just a picture. Since he was crying out in pain and this bump is a new finding, I would have your vet take a look at him. Your vet will be able to determine what is causing him pain, whether or not this area is infected or a mass and get him started on the proper meds and treatment plan to help him feel better. I hope this helps !

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