Feline asthma is a respiratory condition that involves constriction and inflammation of the airways in the lungs. Any cat can develop asthma. The underlying cause of asthma remains unknown, but allergens in the air have been implicated in some cases. When a cat develops asthma, mucus forms in the respiratory tract, and the airway walls swell and spasm. These changes can cause wheezing, coughing, and difficulty breathing. Without treatment, a severe asthma attack can even be fatal.
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