1 Characteristics of Treacher Collins syndrome include: 2  eyes that slant downward, 3  very few eyelashes and a notch in the lower eyelids (colomboma eye), and. 4  ears that are absent or unusually formed. 5  Some affected individuals may have hearing loss).
Since productive cough is usually the manifestation of an underlying condition, if left untreated, the condition may worsen leading to multiple complications. For instance, a lung infection might spread to organs and damage them, a patient with asthma or COPD may develop difficulty in breathing etc.
1 Viral illnesses. 2  It is normal to have a productive cough when you have a common cold. 3  Coughing is often triggered by mucus that drains down the back of the throat. 4  Infections. 5  An infection of the lungs or upper airway passages can cause a cough.