The most common cause - Kennel cough is a contagious bacterial or viral respiratory infection.
Kennel Cough
Fluid in lungs causing cough can indicate heart disease. Critical to diagnose and treat.
Heart Disease
Bacterial or viral lung infections trigger extended bouts of coughing. Requires medication.
Lung
Weakened windpipes collapse and fill with mucus generating chronic dry cough.
Collapsed Trachea
Dust, smoke, chemicals or airborne allergies can trigger bronchial irritation and coughing fits.
Irritants
Coughing attempts to expel inhaled foreign material like sticks, balls or foxtails in airway.
Foreign Object
Exposure to toxins, poisons or medication overdoes cause severe coughing spells. Seek ER care.
Poisons or toxins