Does your cat suffer from frequent coughing and wheezing attacks? Perhaps you have seen your cat squatting with her neck extended, gasping for breath. These are the most common signs of feline asthma, which can also cause symptoms like blue lips, overall weakness, and gagging up foamy saliva. If you suspect your cat has asthma, your first step should be to contact your veterinarian for a diagnosis. He or she can work with you to create the ideal treatment protocol for your cat, which may include treatments such as: