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Why does my dog have blisters or sores around his mouth?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Large (61lb +) | Male | unneutered | 11 months and 16 days old | 61 lbs

My dog has blisters going around his mouth. What could this be?

1 Answer

Most Helpful Answer

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Answered By Angel Alvarado, LVT

Licensed Veterinary Technician

Published on November 29th, 2016

It could be local infection or allergic reaction. Have Mylo examined by your veterinarian to diagnose and treat infection. If Mylo eats or drinks from a plastic bowl, switch to ceramic or stainless steel to see if that makes a difference. Some dogs can be allergic to plastic bowls.

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