Petco Text Logo
Petco Pet Logo
  • Two Easy Ways to Start Earning Rewards!

    rewards header
    Become a member today!
    Members-only pricing and offers, personalized care notifications, Vital Care points back on every purchase and more!
    Petco Pay LogoBecome a credit card member today!

    Earn 2X Pals Rewards points at Petco
    when you use Petco Pay!

    APPLY NOW
    Learn More About Petco Pay Benefits

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

Dr. Leigh, DVM

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.
Vote Icon1Pet Parents found this answer helpful

Smart Picks for Smart Questions

Have A Vet Question?

Book an appointment with the pros – our expert vets are here to help.

Share

Styled arrow button