Feline Asthma: What does an asthma attack look like in a cat, and how do vets diagnose and treat it? 🙀💨 Many owners think their cats are “coughing up a hairball,” when in reality it’s something much worse- feline asthma. In this video you can find example of what asthma attacks can look like. Vets will often take x-rays to detect asthma, in addition to other tests to rule out other causes of coughing such as heartworm disease. Inhaled steroids are the best for treating feline asthma. Although