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Why is my new 8-month-old cat sneezing but has no other symptoms?

Updated On September 23rd, 2025

We just adopted a 8 month old female cat, she was supposed to be indoor only so the people had not vaccinated her, she has started to sneeze suddenly and for no obvious reason, I assumed that it was a respiratory infection, but I see no discharge from her eyes or nose or hear laboured breathing, she eats, is active and has well formed stool, I changed the litter from clay to paper based with no improvement.

1 Answer

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on March 27th, 2020

Poor little girl! First, you can try starting her on an L-lysine supplement - this is an amino acid that has been shown to help the immune system fight off respiratory infections more effectively. Enisyl and Viralys are both good brands, and can be purchased over the counter without a prescription - just follow the dosing instructions on the label based on your cat's weight. If she's congested, you can also try using a humidifier or bringing her into the bathroom with the door closed while you take a hot shower - the steam and humidity help to break up congestion and temporarily relieve symptoms associated with respiratory infections.

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