Feline distemper, also known as feline panleukopenia (FP), is a viral disease that is caused by the feline parvovirus. This highly contagious disease is also referred to as feline parvo; however, parvo in cats is caused by a completely different virus than the parvo in dogs (also called canine distemper). Continue reading to learn more about distemper in cats, common causes and symptoms of feline distemper, and how it is diagnosed and treated by veterinarians.