Health condition
Pulmonary fibrosis
Pulmonary fibrosis is progressive scarring of the lung tissue, presenting as creeping breathlessness and a dry cough; antifibrotic medicines now slow the commonest form, making early specialist diagnosis genuinely consequential.
Why trust this guide
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Editorial team
Written by our editorial team from the UK sources listed on each page.
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Sourced from guidance
Checked against current NHS and UK specialist society guidance at the time of review.
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Current for 2026
Reviewed on 2026-09-27 with the next review scheduled for 2027-09-27.
Key facts
The essentials at a glance.
The symptoms to recognise, when to seek help, which specialist to see, and what treatment usually involves.
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Typical presentation: breathlessness on exertion developing over months, a persistent dry cough, crackles heard at the lung bases, and sometimes finger clubbing
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Diagnosis requires high-resolution CT and specialist multidisciplinary review - the pattern of scarring determines both diagnosis and treatment
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Antifibrotic drugs (pirfenidone, nintedanib) slow progression of idiopathic pulmonary fibrosis - they work best started early
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Specialist: an interstitial lung disease team; oxygen, pulmonary rehabilitation and transplant assessment in selected patients complete the pathway
Understanding the condition
What it is and what happens next.
What causes it, how it is diagnosed, and the treatment routes available in the UK.
What it is and how it feels
In pulmonary fibrosis the delicate lace of the lung's gas-exchanging tissue is progressively replaced by stiff scar, so the lungs shrink and stiffen and oxygen transfer falters - felt first as breathlessness on hills and stairs that quietly narrows life, alongside a dry, intrusive cough. Because early symptoms are so easily attributed to age, fitness or heart disease, diagnosis is commonly delayed by a year or more, and the crackling sound at the lung bases - like velcro parting - is often the first objective clue a clinician finds. Idiopathic pulmonary fibrosis is the commonest and most aggressive form, but scarring also follows autoimmune disease, inhaled exposures and drug reactions, distinctions that change management.
Diagnosis and treatment routes
The diagnostic centrepiece is a high-resolution CT scan read within a specialist multidisciplinary meeting, supplemented by autoimmune blood panels, detailed lung function and occasionally biopsy, because pinning down the subtype dictates everything that follows: antifibrotics for idiopathic disease, immunosuppression for inflammatory forms, antigen removal for hypersensitivity causes. Around that core, pulmonary rehabilitation preserves fitness and confidence, ambulatory oxygen relieves exertional symptoms when saturations fall, vaccination guards the vulnerable lungs, and transplant referral belongs in the conversation early for suitable candidates rather than as a last resort - a coordinated package best delivered from a recognised ILD centre. In many parts of the UK, routine NHS referrals for this kind of problem currently take 20-45+ weeks, whereas an initial appointment with a private consultant is typically available within around two weeks.
Seeing a specialist
Who to see, and how quickly you can be seen.
The specialist for this condition is usually a consultant respiratory physician specialising in interstitial lung disease. Your GP can refer you on the NHS, or you can arrange a private consultation directly.
A quiet reminder
This guide is for information, not medical advice.
Your GP knows your history and can tell you which parts apply to you. If in doubt, see them - and seek urgent care for any of the emergency symptoms described above.
Frequently asked
Common questions about Pulmonary fibrosis.
Quick, plain-English answers to what people ask us most.
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What is pulmonary fibrosis?
Pulmonary fibrosis is a condition involving progressive scarring of lung tissue, which makes the lungs stiff and less able to expand properly, gradually reducing their ability to transfer oxygen into the blood.
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What causes pulmonary fibrosis?
Many cases occur without an identifiable cause (idiopathic pulmonary fibrosis), while others are linked to autoimmune diseases, certain medications, occupational exposures (such as asbestos), or radiation treatment.
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What are the symptoms?
Progressive breathlessness, particularly with exertion, and a persistent dry cough are the main symptoms, developing gradually over months to years, sometimes with fatigue and, over time, weight loss.
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Is pulmonary fibrosis dangerous?
Yes, it's a serious, progressive condition that gradually worsens over time, though the rate of progression varies considerably between individuals, and modern treatments can help slow this progression for some.
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Can pulmonary fibrosis be treated?
There's no cure, but specific antifibrotic medications can slow disease progression for many patients, alongside supportive treatments such as oxygen therapy and pulmonary rehabilitation, with lung transplantation an option for eligible patients with advanced disease.
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How is pulmonary fibrosis diagnosed?
A high-resolution CT scan showing characteristic patterns of lung scarring, combined with lung function tests and, sometimes, a lung biopsy, establishes the diagnosis, often with input from a specialist multidisciplinary team.
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How does pulmonary fibrosis progress over time?
This varies significantly between individuals, with some people experiencing slow, gradual decline over many years, while others progress more quickly; regular monitoring with lung function tests helps track this over time.
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Pulmonary fibrosis vs COPD — what's the difference?
COPD, usually caused by smoking, involves airway obstruction with air trapping, while pulmonary fibrosis involves scarring that makes the lungs stiff and restrictive; lung function testing and CT imaging distinguish between the two, as treatment approaches differ significantly.
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What is the outlook for pulmonary fibrosis?
Outlook varies considerably depending on the specific type and rate of progression, with idiopathic pulmonary fibrosis generally having a more serious outlook, though newer treatments have improved this for many patients.
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When should I see a specialist, and how quickly can I be seen privately?
See a respiratory specialist for unexplained, progressive breathlessness and cough. Private specialist assessment is typically available within about two weeks, faster than standard NHS respiratory referral waiting times.