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My cat has green mucus, bad smell, and trouble breathing. What to do?

Updated on September 23rd, 2025

Pet's info: Cat | Domestic Shorthair | Male | neutered | 14 lbs

My sons cat has trouble breathing and has a lot of green mucus coming out his nose and an awful smell, he drinks water and eats a little bit of wet food, what can i do?

1 Answer

Most Helpful Answer

Ricardo Fernandez, DVM

Answered By Ricardo Fernandez, DVM

Veterinarian, Veterinary Oncology Resident

Published on September 30th, 2017

Thanks for using Petco Pet Education Center, formerly Petcoach! I recommend that you have him evaluated by a veterinarian as soon as possible as it looks like a severe upper respiratory infection. Sometimes when untreated, they can result in pneumonia. They are likely going to start him on antibiotics right away. Good luck and have a good night!
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