[Characteristics] Signs and Symptoms [COPD] Difficulty of breathing/ Breathlessness Chest tightness Wheezing Excessive mucous production Chronic Productive Cough *Symptoms may come and go, but it becomes pertinent as time passes and usually accompanied by recurrent pulmonary infections. [Asthma] 
Difficulty of breathing/ Shortness of breath Chest tightness Wheezing Coughing Sneezing Excessive mucous production