Hx progressive persistent dyspnea worse w exercise Chronic cough may be intermittent unproductive or absent w or w o chronic sputum any pattern Sx may vary day to day Dyspnea cough sputum may precede airflow limitation by yrs Airflow limitation may exist

<b>Hx:</b> progressive/persistent dyspnea, worse w/ exercise. Chronic cough (may be intermittent, unproductive, or absent) w/ or w/o chronic sputum (any pattern). Sx may vary day to day. Dyspnea/cough/sputum may precede airflow limitation by yrs. Airflow limitation may exist w/o dyspnea/cough/sputum and vice versa. May have recurrent wheeze/chest tightness, recurrent lower resp infxns, fatigue, wt loss/anorexia.