Both Asthma and COPD are distinct clinical entities. About 40 % of people who have COPD also has asthma. Asthma is considered a risk factor for developing COPD. Chances of getting this dual diagnosis increase with increasing age.
A problem arises especially for junior doctors to differentiate between the two as both have similar symptoms of airway obstruction. This post will help you revise the main differences between Asthma & Chronic Obstructive Pulmonary Disease (COPD) when they are not overlapping in symptoms.