What is chronic cough?

If you have a severe cough that has lasted for more than 7-8 weeks, you could be suffering from chronic cough.

In children, a cough that lasts over 4 weeks is considered chronic.

It is usually a symptom of a more serious underlying health issue.

Postnasal drip


Postnasal drip


  • This disease can cause inflammation of the lungs
  • It can cause lining of airways to swell up and tighten
  • This causes difficulty in breathing which leads to bouts of coughing
  • If left untreated, the cough can become chronic

Acid reflux

  • Occurs when acids in your stomach move back along the esophagus
  • It irritates the lining of the throat
  • This can lead to chronic cough


  • Is an inflammation of the lining of bronchial tubes
  • The tubes get thick and fill with mucus
  • This can get infected too
  • The thick mucus/ infection can give rise to a persistent cough

Pulmonary infections

  • Caused by inflammations and infections of the lungs like pneumonia
  • Can cause inflammation in the air sacs
  • Can trigger chronic cough

Smoking and Environmental Pollution

  • Can give rise to chronic obstructive pulmonary disease, asthma, or lung cancer which causes chronic cough
  • Can cause acid reflux that triggers chronic cough

Other common causes for chronic cough that can include:-

  • Rhinosinusitis
  • Eosinophilic Bronchitis
  • Weak throat muscles
  • Heart failure
  • Psychological disorders
  • Lung cancer