Cats frequently get what we call feline asthma. The signs of asthma in cats is very similar to those seen in humans, which is difficulty breathing, wheezing, and coughing that might sound like gagging. If a cat is having trouble breathing, he sits with his neck extended, inhaling and exhaling with his mouth open. Asthma is not the only disease that can cause difficulty breathing in cats, so neither you nor your veterinarian should assume that asthma must be the cause.
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Feline Asthma – This Common Health and Breathing Problem in Humans is Often Shared by Cats