p.1

Chronic Cough in the Dog

Richard B. Ford, DVM, MS
Professor of Medicine
North Carolina State University

p.2

CHRONIC The CHRONIC DISEASE BRONCHIAL COUGH
- Persistent cough...several weeks
- Middle aged to older dog...
- No evidence of CARDIAC DISEASE
- No evidence of NEOPLASIA
- No evidence of PNEUMONIA

p.3

“BRANDY”: 8 yr old, Mc, Retriever
HX: persistent coughing for 5-6 weeks

p.8

11 year old, FeS, Pomeranian
Severe episodes of cough with “fainting spells”
Grade 2/6 Systolic Murmur

Temperature: Normal
Respiration Rate: 30 per minute
Heart Rate: 90 per minute

p.9

Cardiomegaly
Diagnosis: Congestive Heart Failure
Pulmonary Edema

p.10

Diagnosis

Mitral Insufficiency with Congestive Heart Failure
Lasix (furosemide) + Enalapril

p.12

Progression of Acquired Tracheal Collapse
SMALL AIRWAY DISEASE

p.13

Progression of Small Airway Disease
- Small Airway Disease (no cough)

- Progressive Lower Airway Disease
Occasional Cough ------- > Chronic Cough

- Bronchiectasis ------> Emphysema
CHRONIC OBSTRUCTIVE PULMONARY DISEASE (COPD)

p.15

Inspiratory
Expiratory

p.20

Treatment Strategies
- Cough Suppression
- Bronchodilator
- Long-Term Antibiotics
Rx: Prednisolone
0.25 to 0.5 mg/kg, oral, q12-24h
Treat for 7 to 10 days then as needed to control cough

p.21

Chronic Small Airway Disease

Age
Particulate Material
Bacteria

p.22

Treatment Strategies
- Cough Suppression
- Bronchodilator
- Long-Term Antibiotics

Rx: fluoroquinolones
azithromycin
doxycycline
amoxicillin
[trimethoprim-sulfa]

p.23

Bordetella bronchiseptica Vaccination

IN vs SQ vs ORAL

p.24

Treatment Strategies
Home Care