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</div><div><span>Idiopathic pulmonary fibrosis</span></div></div>
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</a><h1 class="with-also" itemprop="name">Idiopathic pulmonary fibrosis</h1>
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</noscript></div><div class="main"><div id="ency_summary"><p>Idiopathic pulmonary fibrosis (IPF) is scarring or thickening of the lungs without a known cause.</p></div><section><div class="section"><div class="section-header"><div class="section-title"><h2>Causes</h2></div><div class="section-button"><button type="submit" aria-controls="section-1" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-1"><p>Health care providers do not know what causes IPF or why some people develop it. Idiopathic means the cause is not known. The condition may be due to the lungs responding to an unknown substance or injury. Genes may play a role in developing IPF. The disease occurs most often in people between 60 and 70 years old. IPF is more common in men than women.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Symptoms</h2></div><div class="section-button"><button type="submit" aria-controls="section-2" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-2"><p>When you have IPF, your lungs become scarred and stiffened. This makes it hard for you to breathe. In most people, IPF gets worse quickly over months or a few years. In others, IPF worsens over a much longer time.</p><p>Symptoms may include any of the following:</p><ul><li>
Chest pain (sometimes)</li><li>
Cough (usually dry)</li><li>Not able to be as active as before</li><li><a test="test" href="./003075.htm">Shortness of breath</a> during activity (this symptom lasts for months or years, and over time may also occur when at rest) </li><li>Feeling faint</li><li>Gradual weight loss</li></ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Exams and Tests</h2></div><div class="section-button"><button type="submit" aria-controls="section-3" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-3"><p>Your provider will do a physical exam and ask about your medical history. You will be asked whether you have been exposed to asbestos or other toxins and if you have been a smoker.</p><p>The physical exam may find that you have:</p><ul><li>Abnormal breath sounds called crackles (sounds like Velcro being pulled apart)</li><li><a test="test" href="./003215.htm">Bluish skin</a> (cyanosis) around the mouth or fingernails due to low oxygen (with advanced disease)</li><li>Enlargement and curving of the fingernail bases, called clubbing</li></ul><p>Tests that help diagnose IPF include the following:</p><ul><li><a test="test" href="./003857.htm">Bronchoscopy</a></li><li>
High resolution <a test="test" href="./003788.htm">chest CT scan</a> (HRCT)</li><li><a test="test" href="./003804.htm">Chest x-ray</a></li><li><a test="test" href="./003869.htm">Echocardiogram</a></li><li>Measurements of <a test="test" href="./003855.htm">blood oxygen level</a> (arterial blood gases)</li><li><a test="test" href="./003853.htm">Pulmonary function tests</a></li><li>6-minute walk test</li><li>Tests for autoimmune diseases such as <a test="test" href="./000431.htm">rheumatoid arthritis</a>, <a test="test" href="./000435.htm">lupus</a>, or <a test="test" href="./000429.htm">scleroderma</a></li><li>Open lung (surgical) biopsy </li></ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Treatment</h2></div><div class="section-button"><button type="submit" aria-controls="section-4" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-4"><p>There is no known cure for IPF. </p><p>Treatment is aimed at relieving symptoms and slowing disease progression:</p><ul><li>Pirfenidone (Esbriet) and nintedanib (Ofev) are two medicines that are used to treat people with IPF. They may help slow lung damage.</li><li>People with low blood oxygen levels will need <a test="test" href="../patientinstructions/000048.htm">oxygen support</a> at home.</li><li>Lung rehabilitation will not cure the disease, but it can help people exercise with less difficulty breathing. </li></ul><p>Making <a test="test" href="../patientinstructions/000016.htm">home and lifestyle changes</a> can help manage breathing symptoms. If you or any family members smoke, now is the <a test="test" href="./001992.htm">time to stop</a>.</p><p>A <a test="test" href="./003010.htm">lung transplant</a> may be considered for some people with advanced IPF.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Support Groups</h2></div><div class="section-button"><button type="submit" aria-controls="section-5" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-5"><p>You can ease the stress of illness by joining a support group. Sharing with others who have common experiences and problems can help you not feel alone.</p><p>More information and support for people with IPF and their families can be found at:</p><ul><li>Pulmonary Fibrosis Foundation -- <a class="extln" target="_blank" href="https://www.pulmonaryfibrosis.org/patients-caregivers/medical-and-support-resources/find-a-support-group">www.pulmonaryfibrosis.org/patients-caregivers/medical-and-support-resources/find-a-support-group</a></li><li>American Lung Association -- <a class="extln" target="_blank" href="https://www.lung.org/better-breathers">www.lung.org/better-breathers</a></li></ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Outlook (Prognosis)</h2></div><div class="section-button"><button type="submit" aria-controls="section-6" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-6"><p>IPF may improve or stay stable for a long time with or without treatment. Most people get worse, even with treatment. </p><p>When breathing symptoms become more severe, you and your provider should discuss
<a test="test" href="../patientinstructions/000468.htm">treatments that prolong life</a>, such as lung transplantation. Also discuss <a test="test" href="../patientinstructions/000472.htm">advance care planning</a>.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Possible Complications</h2></div><div class="section-button"><button type="submit" aria-controls="section-7" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-7"><p>Complications of IPF may include:</p><ul><li>Abnormally high levels of red blood cells due to low blood oxygen levels</li><li><a test="test" href="./000087.htm">Collapsed lung</a></li><li>High blood pressure in the arteries of the lungs</li><li>Respiratory failure</li><li><a test="test" href="./000129.htm">Cor pulmonale</a> (right-sided heart failure)</li><li>Death</li></ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>When to Contact a Medical Professional</h2></div><div class="section-button"><button type="submit" aria-controls="section-8" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-8"><p>Contact your provider right away if you have any of the following:</p><ul><li>Breathing that is harder, faster, or shallower (you are unable to take a deep breath)</li><li>Need to lean forward when sitting to breathe comfortably</li><li>Frequent headaches</li><li>Sleepiness or confusion</li><li>Fever</li><li>Dark mucus when you cough</li><li>Blue fingertips or skin around your fingernails </li></ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Alternative Names</h2></div><div class="section-button"><button type="submit" aria-controls="section-Alt" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-Alt"><p>Idiopathic diffuse interstitial pulmonary fibrosis; IPF; Pulmonary fibrosis; Cryptogenic fibrosing alveolitis; CFA; Fibrosing alveolitis; Usual interstitial pneumonitis; UIP</p></div></div></section><section><div class="section sec-mb"><div class="section-header"><div class="section-title"><h2>Patient Instructions</h2></div><div class="section-button"><button type="submit" aria-controls="section-carepnt" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div name="Patient Instructions" class="section-body" id="section-carepnt"><ul class="side-nav"><li><a href="../patientinstructions/000048.htm">Using oxygen at home</a></li>
</ul></div></div></section><section><div class="section sec-mb"><div class="section-header"><div class="section-title"><h2>Images</h2></div><div class="section-button"><button type="submit" aria-controls="section-tnails" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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<li><img src="//medlineplus.gov/ency/images/ency/tnails/1142t.jpg" alt="Spirometry" title="Spirometry" class="side-img"/><a href="../imagepages/1142.htm">Spirometry</a></li>
<li><img src="//medlineplus.gov/ency/images/ency/tnails/1598t.jpg" alt="Clubbing" title="Clubbing" class="side-img"/><a href="../imagepages/1598.htm">Clubbing</a></li>
<li><img src="//medlineplus.gov/ency/images/ency/tnails/9248t.jpg" alt="Respiratory system" title="Respiratory system" class="side-img"/><a href="../imagepages/9248.htm">Respiratory system</a></li>
</ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>References</h2></div><div class="section-button"><button type="submit" aria-controls="section-Ref" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-Ref"><p>National Heart, Lung, and Blood Institute website. Idiopathic pulmonary fibrosis. <a href="https://www.nhlbi.nih.gov/health/idiopathic-pulmonary-fibrosis" target="_blank">www.nhlbi.nih.gov/health/idiopathic-pulmonary-fibrosis</a>. Updated June 26, 2023. Accessed May 14, 2024.</p><p>Raghu G, Martinez FJ. Interstitial lung disease. In: Goldman L, Cooney KA, eds. <em>Goldman-Cecil Medicine</em>. 27th ed. Philadelphia, PA: Elsevier; 2024:chap 80.</p><p>Raghu G, Remy-Jardin M, Richeldi L, et al. Idiopathic pulmonary fibrosis (an update) and progressive pulmonary fibrosis in adults: An Official ATS/ERS/JRS/ALAT Clinical Practice Guideline. <em>Am J Respir Crit Care Med</em>. 2022;205(9):e18-e47. PMID: 35486072 <a href="https://pubmed.ncbi.nlm.nih.gov/35486072/" target="_blank">pubmed.ncbi.nlm.nih.gov/35486072/</a>.</p><p>Ryu JH, Selman M, Lee JS, Colby TV, King TE. Idiopathic pulmonary fibrosis. In: Broaddus VC, Ernst JD, King TE, et al, eds. <em>Murray and Nadel's Textbook of Respiratory Medicine</em>. 7th ed. Philadelphia, PA: Elsevier; 2022:chap 89.</p><p>Silhan LL, Danoff SK. Nonpharmacologic therapy for idiopathic pulmonary fibrosis. In: Collard HR, Richeldi L, eds. <em>Interstitial Lung Disease</em>. Philadelphia, PA: Elsevier; 2018:chap 5.</p></div></div></section>
<section><div class="section"><div class="section-header"><div class="section-title"><h2>Review Date 5/3/2024</h2></div><div class="section-button"><button type="submit" aria-controls="section-version" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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