Life after tuberculosis

Tuberculosis (TB) is a serious lung infection that affects millions of people worldwide each year. Thanks to treatment, most people recover from the infection itself. However, for many, the effects on the lungs don’t always end when the TB is cured. Doctors now recognise a condition called post-tuberculosis lung disease (PTLD). This describes lasting changes in the lungs that can make breathing more difficult, even months or years after treatment has finished.

What research is showing

Researchers conducted a systematic review of research from around the world and found that people who have had TB often have lower lung function than people who have never had the disease.

The main findings show that:

• Some also have stiffer lungs, which makes it harder to take deep breaths.
• Many people have narrowed or damaged airways, which can make breathing feel tight or wheezy.
• These changes can look similar to conditions like chronic obstructive pulmonary disease (COPD).

This means that, even after TB is cured, some people may continue to experience symptoms such as shortness of breath, ongoing cough, tiredness or reduced ability to exercise.

Why does TB leave lasting lung damage?

TB can cause inflammation and scarring inside the lungs. As the body heals, this can change the shape of the airways, reducing how stretchy the lungs are and limit how much air can move in and out.  The amount of damage varies from person to person. Some people recover almost completely, while others develop more noticeable long-term breathing problems.

Why this matters for patients

As TB often affects younger adults, long-term lung problems can impact daily life for many years. This research highlights the need for:

• Identifying those at risk and offering regular lung check-ups after TB treatment ends.
• Early support for breathing problems.
• Access to rehabilitation and long-term care when needed.

Recognising these issues early can help people stay active, manage symptoms and protect lung health.

What support can help?

If you have had TB and notice ongoing breathing problems, support options may include:

• Lung function tests to monitor changes.
• Pulmonary rehabilitation (exercise and breathing programmes).
• Advice on stopping smoking and avoiding air pollution.
• Vaccinations to reduce the risk of chest infections.

Looking ahead

This growing body of research is helping health services around the world understand that TB recovery does not always mean lung recovery. By focusing on long-term care, doctors and health systems can work towards better quality of life for people living with the lasting effects of TB.

Key message

If you have had tuberculosis and still struggle with your breathing, you are not alone. Ongoing care and regular check-ups can make a real difference in protecting your lungs and your future health.

 

This research was part-funded by Breathing Matters.

You can read the full article here:

• Post-pulmonary tuberculosis lung function: a systematic review and meta-analysis
• Sharenja Ratnakumar, Sally E Hayward, Emma K Denneny, Jon S Friedland, Joanna C Porter et al
• Published in The Lancet Global Health, Volume 13, Issue 8, August 2025

[Posted March 2026]