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My cat is breathing with mouth open and struggling. Is it asthma?

Updated on September 23rd, 2025

Pet's info: Cat | Mixed Breed | Male | neutered | 1 year and 3 months old | 8 lbs

Waiting for vet appointment: He’s only eating with his mouth open. Dyspnea sometimes that I’ve witness. Neck & head are low, looks to be having an asthma attack. Rapid breathing. Sometimes when active in play, stops, opens mouth, excessive panting trying to catch breath. Stopped engaging in really active play with him. Current on all shots. Passed his vet checks with flying colors. Some has been consistent since we got him. We adopted him from the local vet when he was 8 weeks old.

1 Answer

Most Helpful Answer

Answered By Rodrigo Roca, DVM

Veterinarian

Published on July 30th, 2018

Hello, sorry to hear about Aspen. It does indeed sound like he is in the right where he could be developing some feline asthma. This disease can be exacerbated by environmental irritants such as aerosolized sprays, candles, smoking, pollen, and dust.

Diagnosis is typically confirmed with an x-rays and by sampling the lungs as well as making sure that Aspen does not have lung worms with a fecal exam. If Aspen is having a difficult time breathing, then he needs to be seen by her veterinarian immediately. Medications to treat this disease typically involve antibiotics and likely steroids.

Other wise, practice avoiding any environmental allergen at home, and don't expose him to any strenuous exercise of high stress situations. Hope this helps and best of luck.

1Pet Parents found this answer helpful

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