Upper respiratory infections in cats are most commonly caused by feline herpes virus-1 (FHV-1), feline calicivirus (FCV) or the feline strain of Chlamydia psittaci, which is a bacterium. There are other viral and bacterial pathogens that less commonly cause up...

The trachea (windpipe) is composed of 35-45 C-shaped rings of cartilage that are joined by muscle and ligaments to create a rigid tube. Tracheas collapse because the C cartilage flattens due to weak cartilage. When the C loses its curvature, the tracheal m...

"Kennel cough" is a highly contagious respiratory disease of dogs. Dogs with "kennel cough" suffer from paroxysmal cough (coughing fits). Most dogs contract "kennel cough" in situations where large numbers of dogs come into contact with each other, such as ...

YES!! While the incidence is low, we do have heart worm in Arizona. There were 641 reported cases of Heartworm in Arizona in the last four years. More and more of these cases are in dogs with no travel history to areas with more pronounced Heartworm problems. ...