Symptoms: First signs usually include lethargy, inapettence and fever. A deep cough is also present with progressive dyspnea, “blowing” of the lips (noted especially during exercise). Complications (Pleuritis, Mediastinitis) are also possible

Cause: acute or chronic inflammation of the lungs and bronchii. The most usual cause is viral infection of the lower respiratory tract (canine distemper virus, adenovirus type 1 and 2, parainfluenza virus) that predispose to secondary bacterial lung infections.

Duration: few days

First aid: rest in warm and dry environment.

Urgency: immediately

Prevention: none (or avoiding the offending agents)

 Treatment: correction of anemia (if present), oxygen therapy, broad spectrum antibiotics, soft palatable diet. Antimicrobial therapy should be continued for at least 10 days after clinical signs resolve.

Therapy success: 70 to 100%

Convalescence: few days to few weeks