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What causes painful raw blisters on my dog's nose and upper lip?

Updated On September 23rd, 2025

Pet's info: Dog | Cairn Terrier | Male | neutered | 8 years old | 10 lbs

What causes multiple raw blisters around the bottom of a dogs nose and upper lip? It's very painful to the touch. He's an 8 year old cairn terrier.

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1 Answer

Most Helpful Answer

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Answered By Daniel Fonza, DVM

Veterinarian

Published on December 15th, 2017

Hi there and thank you for using pet coach to address your concern. Based on your photos, I would suspect this to be some sort of irritation or immune mediated disease such as discoid lupus erythematosus. If this does not improve on its own, I would recommend having a veterinarian examine the area so that the most appropriate treatment recommendations can be made. I hope this helps! Please let me know if you have any other questions or concerns.

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