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My dog's paw is swollen with green pus. Is it infected and what to do?

Updated on September 23rd, 2025

Pet's info: Dog | Mixed Breed | Male | neutered | 75 lbs

My dog back right paw is swollen. I've been cleaning it with hydrogen peroxide, but green puss is coming out of it. It' been like this since Sunday. What do you recommend?

2 Answers

Most Helpful Answer

Jessica Keay, DVM

Answered By Jessica Keay, DVM

Veterinarian

Published on June 2nd, 2017

If there is green pus coming from the paw this is an indication of infection that requires antibiotic therapy. I would stop using hydrogen peroxide as it isn't recommended for regular wound cleaning (can actually delay healing if used repeatedly). Clean the area with mild soap and dry well to avoid moisture, apply a topical antibiotic ointment, place an e-collar on your dog to prevent him licking the foot and make an appointment for your dog to see the vet. He likely will need oral antibiotic treatment and the vet will want to check his paw to be sure there isn't a foreign body like a splinter stuck there.
Vote Icon1Pet Parents found this answer helpful

Related Answers from Veterinarians

  • Answered By Dr. Massimo Orioles, DVM, Cert AVP, MRCVS

    Veterinarian

    Published on August 18th, 2017

    These signs are compatible with an infection. Drainage of abscess, disinfection and antibiotic treatment are indeed necessary and a check up is what I recommend as soon as possible.
    Swelling could be due to a lack of venous drainage of the leg (due to the inflammation, so it will resolve when abscess will be cured) or to the spreading of infection.
    Buster collar may be useful to avoid licking.Disinfection can eventually be started at home with very diluted hibiscrub or betadine or salted water baths.

    Please do not hesitate to contact us again on the forum or by requesting a consultation if you have any more questions or to discuss it any further.

    Vote Icon

    1Pet Parents found this answer helpful

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