In the last 24 hours, our 14-year-old cat has started breathing very heavily. He is clearly in some distress. Our vet is away on a holiday break, and it is Sunday so we are not sure of what we can do.

Just like humans, cats can get colds, too! Feline upper respiratory infections (URIs) bear a lot of resemblance to the common cold in human beings but can occasionally be worse. URIs affect the upper ...