Cough

Question 1

Acute cough

Answer 1

< 3 weeks

respiratory tract infection
aspiration event
inhalation of noxious chemicals or smoke

Question 2

Subacute cough

Answer 2

3-8 weeks duration

residuum from tracheobronchitis - pertussis or “post-viral tussive syndrome”

Question 3

Chronic cough

Answer 3

> 8 weeks

inflammatory
infectious
neoplastic
cardiovascular etiologies