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Why is my 3-month-old cat discharging pus after vaccination?

Updated on September 23rd, 2025

Hi, I have suddenly noticed that my 3 months old cat is discharging pus like sticky liquid. It just happened all of a sudden. 3 days back he was vaccinated for Rabbis and other viruses as prevention. I've attached two photos where a little area is seen that is discharging liquid. Should I be at this moment? I'll take him to the vet tomorrow. Pls advice. I'm worried...

1 Answer

Most Helpful Answer

Jenna Beyer, DVM, MBA, cVMA

Answered By Jenna Beyer, DVM, MBA, cVMA

Veterinarian, Certified Veterinary Acupuncturist

Published on June 28th, 2019

Depending on where the vaccinations were placed, this could be a vaccine reaction or an abscess from a cat bite. Seeing the vet is a good idea. The vet will clean up the area and determine what is going on, and may prescribe anti-inflammatories and/or antibiotics.
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