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Why does my German Shepherd have inflamed blisters on his lip?

Updated On September 23rd, 2025

Pet's info: Dog | German Shepherd | Male | neutered | 5 years and 11 months old | 105 lbs

HELLO! MY 4 YEAR OLD GERMAN SHEPHERD HAS WEIRD BLISTER LOOKING THINGS HANGING OFF HIS MOUTH ON SIDE OF LIP! IT LOOKS ENFLAMED! What do you think these enflamed blister bumps are on my dogs lip?

1 Answer

Most Helpful Answer

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Answered By Dr. Leigh, DVM

Veterinarian

Published on February 15th, 2017

It could be an infection or possibly an auto-immune disease. Have your vet take a look at the lesions to determine the exact cause. Your vet can do a biopsy, if needed, to help diagnose and then prescribe medications to treat the problem. He may need an antibiotic and/or an anti-inflammatory.

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