Persistent Cough With Phlegm Explained | CHI
A persistent cough with phlegm is one of the most common complaints seen at general practice clinics across Singapore. While a short-term cough is often linked to a viral infection and resolves on its own, a cough that persists beyond three weeks and is accompanied by phlegm production warrants proper medical evaluation. At Complete Healthcare International (CHI) in Singapore, our experienced doctors assess and manage persistent cough with phlegm thoroughly to identify the underlying cause and provide targeted treatment. Why Phlegm Persists With a Cough Phlegm, also known as sputum, is produced by the mucous membranes lining the airways. It serves as a protective mechanism to trap pathogens, allergens, and foreign particles. When the airways are inflamed or infected, phlegm production increases significantly, leading to a productive cough. A persistent cough with phlegm suggests that the source of airway irritation or infection has not been fully resolved. The colour, consist...