Disease overview
Bordetella (also referred to as tracheobronchitis, canine cough or kennel cough [in dogs], and feline bordetellosis [in cats]) is a highly contagious respiratory disease in cats and dogs caused by the bacteria Bordetella bronchiseptica. It causes inflammation of the trachea and bronchi.
Transmission
Bordetella spreads through direct contact (licking, nuzzling), through the air (coughing or sneezing), or via contaminated fomites. Transmission can occur between dogs and cats.
Clinical signs
Dry, hacking cough (dogs)
Retching
Sneezing
Watery nasal discharge
Pneumonia, inappetence, fever, and lethargy in severe cases
Risk factors
Pets that come from shelters, rescue centers, breeding kennels, or pet stores
Boarding at a kennel
Pets that participate in events/competitions
Multiple pet homes

Dr. Alan Mafara is an experienced veterinarian dedicated to providing comprehensive, compassionate care for companion animals. With decades of experience in veterinary medicine, he focuses on preventive care, orthopedic surgery, veterinary dentistry, and advanced pain management to help pets live healthier, more comfortable lives.