HealthPhoto: Firstpost HealthPersistent Cough Over 3 Weeks: Causes and When to Seek Help
A cough lasting more than three weeks may be due to post-infectious airway inflammation, asthma, pneumonia, tuberculosis, or pollution exposure. Dr. Nikhil Modi from Indraprastha Apollo Hospital, Delhi, explains that even after a cold resolves, airway sensitivity can cause prolonged coughing. Persistent cough duration and symptoms should be evaluated to rule out serious respiratory conditions requiring medical attention.
Firstpost Health··Delhi



