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Why is my kitten still sneezing with bloody discharge and congestion?

Updated On September 23rd, 2025

Pet's info: Cat | American Shorthair | Male | neutered | 5 months and 17 days old | 5.3 lbs

my now approx 5-month old kitten has been sneezing ever since adoption. boogers are massive, yellow/green/gooey w tints of blood sometimes. Sometimes congested, stuffy nose w awkward breathing sound. Sometimes, looks like he sneezed out inner lining of nasal passage (it’s crazy). 1 month now with me in his forever home, he’s on 2nd round of Clavamox & 2 pills left of Doxy. Viralysine supp. intermittent. Reg appetite, Healthy weight, playful & energetic. No other Cat sick, unlikely contagious

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Answered By Lauren Jones VMD

Veterinarian

Published on October 18th, 2021

It sounds as though you and Wilbur have been through quite a bit since you brought him home! I agree that the discharge pictured looks like there is a bit of tissue attached rather than pure discharge. It's possible that his chronic congestion and discharge could be due to an upper respiratory infection that is either viral in nature or is bacterial but resistant to the Clavamox and doxycycline. Other possible causes include immunosuppression from viruses like feline leukemia virus (FeLV) or feline immunodeficiency virus (FIV), nasopharyngeal polyps, or foreign material in the nasal passages. At this point, it's worth another visit to your vet for a follow up exam. If you haven't already done the blood tests for FIV/FeLV, that's a good starting point. Your vet may also want to perform a sedated nasal, oral, and ear exam, and take some skull x-rays to see if there are any obvious changes that could be causing this problem. I hope that Wilbur is on the mend soon!

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