Pulmonary disorders have to do with the respiratory system, which is responsible for delivering oxygen to the body and eliminating waste gases such as carbon dioxide. Since dogs and cats are unable to sweat the way we do, their respiratory system is also essential for regulating their body temperature. When issues arise with this system, your dog or cat can develop a number of disorders. In dogs, common pulmonary disorders include chronic obstructive pulmonary disease (COPD), canine distemper virus, pneumonia, and lung tumours. In cats, asthma, bronchitis, parasitic worms, bacterial infections, and viruses are some of the most common pulmonary issues our veterinarians see