Asthma | COPD |
---|---|
Onset early in life (often childhood) | Onset in mid-life |
Symptoms vary from day to day | Symptoms slowly progressive |
Symptoms at night/early morning | Long history of tobacco smoking |
Allergy, rhinitis, and/or eczema sometimes present | Dyspnea during exercise |
Family history of asthma usually present | Largely irreversible airflow limitation |
Largely reversible airflow limitation | Presence of comorbidities |