Idiopathic Pulmonary Fibrosis (IPF): Symptoms, Tests and Treatment

What is IPF, and is all lung scarring the same?

Fibrosis means scarring. In pulmonary fibrosis, tissue around the lung’s tiny air sacs becomes thickened and stiff, making breathing and oxygen transfer more difficult. “Idiopathic” means that a cause has not been identified after appropriate investigation. [1]

IPF is one type of interstitial lung disease (ILD). Other causes of fibrosis include autoimmune disease, some medicines and inhaled exposures. For example, bird-related hypersensitivity pneumonitis can sometimes cause scarring. These conditions should not all be labeled IPF. [3], [4]

A report mentioning “fibrotic changes” is a starting point for discussion, not a complete diagnosis. The extent, pattern, likely cause and effect on your lung function all influence the next step.

Which symptoms deserve assessment?

The common symptoms are increasing breathlessness, initially during activity, and a persistent dry cough. Fatigue, unintentional weight loss or rounded enlargement of the fingertips may also occur. The pattern varies between people and can change over time. [2]

A clinician may hear fine crackling sounds when examining the chest. These signs can raise suspicion but do not prove IPF. Bring attention to changes that are easy to overlook: slowing down on stairs, taking more breaks or avoiding walks you previously managed. [2], [3]

Do not assume a continuing cough is only allergy, age or smog. Our persistent cough guide explains other reasons to arrange an assessment.

How do specialists diagnose pulmonary fibrosis?

Assessment combines your symptoms, examination, scan pattern and possible causes. Your clinician asks about current and previous jobs, dusts, birds, mold, medications, autoimmune symptoms and family history. Bring the actual scan images as well as the written report. [3], [4]

A UIP pattern is not automatically the same as IPF; the clinical setting and alternative causes still matter. A multidisciplinary discussion may involve respiratory physicians, radiologists and, where needed, pathologists. Biopsy is considered selectively when the expected benefit justifies the risk; it is not required for every patient. [4]

Why are PFT, DLCO and walking tests useful?

The scan shows structure; breathing tests show how the lungs function. The comprehensive PFT guide explains how different measurements fit together. DLCO (gas transfer) helps assess transfer of gas from the air sacs into the blood, while lung-volume measurements assess lung size. [3]

A six-minute walk test can document walking capacity and oxygen changes during activity when clinically appropriate. Repeating suitable measurements over time is more informative than interpreting one isolated number. [3], [5]

Ask which measurements your team will follow, when they should be repeated and what change should prompt an earlier appointment.

What treatment can help?

Established scarring cannot currently be reversed with a tablet. Treatment aims to slow further decline, manage symptoms and help you remain as active as possible. The plan depends on the confirmed diagnosis, other illnesses, drug tolerance and access to care. [1], [5]

Medicines that slow progression

Pirfenidone and nintedanib are established antifibrotic medicines used in IPF. They require specialist selection, discussion of adverse effects and appropriate monitoring. They do not provide an immediate cure or remove existing scar tissue. [5], [6]

Treatment options are evolving. Nerandomilast received US FDA approval for IPF in October 2025. An overseas approval does not establish availability or approval in Pakistan; ask your specialist which options are appropriate and accessible for you. [8]

Rehabilitation, oxygen and supportive care

Pulmonary rehabilitation combines appropriate exercise and education to improve exercise tolerance and coping with breathlessness. It does not reverse fibrosis. Oxygen may be prescribed when assessment shows low oxygen levels. Suitable patients may also be considered for transplant evaluation through a specialist center. [5], [6]

Reflux symptoms should be assessed and treated on their own merits. Current IPF guidance does not recommend antacid medicine solely to improve lung outcomes in someone with IPF. Do not start or stop treatment without discussing the reason for the prescription. [4]

Living with IPF and recognizing a change

Keep follow-up appointments, discuss vaccination and smoking cessation where relevant, and report medication side effects. Plan activity with your team rather than abandoning it. Breathlessness, cough, sleep, mood and family support are all valid parts of the consultation. [7]

The course of IPF differs between individuals. Avoid treating a survival figure found online as a personal forecast. Trends in symptoms, function, scans and oxygen needs help guide realistic discussions about your own situation. [1], [7]

Video explainers from Australian Polyclinic

You can also watch the existing IPF overview and symptoms and treatment discussion. Discuss how the information applies to your diagnosis and current treatment options.