Causes can include:Cryptococcosis in Cats Cryptococcosis in Dogs Reverse Sneezing in Dogs What is Bothering Your Cat? It Could Be Feline Allergies Why Is My Dog So Itchy? Feline Calicivirus: A Cat Upper Respiratory Infection Aspergillosis in Your Dog Why is My Cat Sneezing? Cleft Lip and Palate in Kittens Cleft Lip and Palate in Puppies Is It Normal for Cats To Cough? Pasteurella in Dogs Pasteurella in Cats How Can You Reduce Your Cat's Stress at Home? Do Cats Get Colds? Your Cat’s War against Big, Bad, Infectious Diseases Feline Herpesvirus 101 (FHV) 7 Causes of Cat Sneezing Canine Respiratory Disease 101: Do Dogs Get Colds?