[header] How to diagnose and treat chylothorax in cats [title] Notice breathing problems. [step] The first symptom of chylothorax is usually difficulty breathing. Often, it seems like the cat is holding their breath or has stopped breathing because it takes longer to inhale and exhale.
This may also present as shortness of breath, panting and rapid breathing, or wheezing and other sounds while breathing. [substeps] The cat may also be unable to exercise because of the breathing problems.