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Why does my puppy have red blister-like sores under his armpits?

Updated On September 23rd, 2025

Pet's info: Dog | German Wirehaired Pointer | Male | 4 months and 26 days old | 50 lbs

my german pointer pup has sores under his arm pits red like blisters

1 Answer

Most Helpful Answer

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Answered By Dr. Leigh, DVM

Veterinarian

Published on December 31st, 2016

It sounds like he has a bacterial skin infection (puppy pyoderma). You could bathe him with a medicated dog shampoo but he may need an antibiotic and possibly a corticosteroid to treat the problem. Have your vet take a look at him to determine the best way to treat his problem.

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