Medical emergency? Call 108 or go to your nearest emergency department.

Dr. Koushik Muthu Raja Mathivanan Pulmonary Medicine

CONDITION 03

Persistent cough

A cough that lasts for weeks and deserves a proper look.

Emergency warning. If you have severe breathlessness, chest pain that does not ease, blue lips, confusion or are coughing up a lot of blood, call 108 or go to the nearest emergency department immediately.

Overview

A cough is the body’s way of clearing the airways. When it lasts for several weeks, it is worth having it assessed, because many different conditions can be responsible.

A person experiencing a cough, illustrating symptoms that may need medical assessment.
A person experiencing a cough, illustrating symptoms that may need medical assessment.

Symptoms

  • A cough that has lasted more than a few weeks
  • A dry cough or one with phlegm
  • A cough that is worse at night or after exercise
  • Throat clearing, hoarseness or a tickle in the throat

Assessment

  • A careful history of how the cough started and what changes it
  • Examination of the chest and throat
  • A chest X-ray and breathing tests where appropriate
  • Further tests guided by what is found

Treatment Options

  • Treatment depends on the cause, which is why assessment comes first
  • Avoiding known triggers such as smoke
  • Medicines advised by your doctor for the underlying condition

When to Seek Care

  • A cough lasting more than three weeks
  • Coughing up blood
  • A cough with weight loss, fever or night sweats
  • A cough with breathlessness or chest pain

This page is for general education and does not replace advice from your own doctor. See the disclaimer .

Concerned about persistent cough?

Request a visit and bring your questions. This form is not for emergencies.

Book a Visit