{"id":253,"date":"2025-07-09T13:53:34","date_gmt":"2025-07-09T13:53:34","guid":{"rendered":"https:\/\/medscapeus.com\/?p=253"},"modified":"2025-07-09T13:53:36","modified_gmt":"2025-07-09T13:53:36","slug":"pulmonary-tuberculosis-tb-symptoms-diagnosis-treatment-prevention","status":"publish","type":"post","link":"https:\/\/medscapeus.com\/?p=253","title":{"rendered":"Pulmonary Tuberculosis (TB): Symptoms, Diagnosis, Treatment &amp; Prevention"},"content":{"rendered":"\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udccc What Is Pulmonary Tuberculosis?<\/h2>\n\n\n\n<p><strong>Pulmonary tuberculosis (TB)<\/strong> is a <strong>contagious bacterial infection<\/strong> that mainly affects the <strong>lungs<\/strong>, caused by <strong>Mycobacterium tuberculosis<\/strong>. Despite advances in medicine, TB remains a <strong>major global health concern<\/strong>, particularly in developing countries. It spreads through the <strong>air<\/strong> when an infected person coughs, sneezes, or speaks.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udd0d How TB Spreads<\/h2>\n\n\n\n<p>Tuberculosis is transmitted <strong>aerosolically<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Inhalation of <strong>airborne droplets<\/strong> from a person with <strong>active TB<\/strong>.<\/li>\n\n\n\n<li><strong>Prolonged exposure<\/strong> increases the risk (e.g., living in the same house).<\/li>\n\n\n\n<li>TB is <strong>not spread<\/strong> by touching, kissing, or sharing food.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u26a0\ufe0f Signs and Symptoms of Pulmonary TB<\/h2>\n\n\n\n<p>Pulmonary TB often develops <strong>slowly<\/strong>. Early detection is key.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Common Symptoms<\/strong><\/th><th><strong>Advanced or Severe Symptoms<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Persistent cough (&gt;2\u20133 weeks)<\/td><td>Coughing up blood (hemoptysis)<\/td><\/tr><tr><td>Chest pain or discomfort<\/td><td>Night sweats<\/td><\/tr><tr><td>Fever (especially in the evening)<\/td><td>Weight loss and fatigue<\/td><\/tr><tr><td>Shortness of breath<\/td><td>Loss of appetite<\/td><\/tr><tr><td>Mild chills<\/td><td>Weakness and low-grade fever<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83e\uddea Diagnosing Pulmonary Tuberculosis<\/h2>\n\n\n\n<p>A doctor may use a combination of the following:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd2c Laboratory Tests<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Sputum smear microscopy<\/strong>: detects acid-fast bacilli (AFB)<\/li>\n\n\n\n<li><strong>GeneXpert MTB\/RIF test<\/strong>: rapid test for TB &amp; rifampicin resistance<\/li>\n\n\n\n<li><strong>TB culture<\/strong>: most accurate but takes time<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83e\ude7b Imaging<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Chest X-ray<\/strong>: shows lung lesions, cavities, or infiltrates<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83e\ude78 Other Tests<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Tuberculin skin test (Mantoux test)<\/strong><\/li>\n\n\n\n<li><strong>Interferon-Gamma Release Assays (IGRA)<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udc8a Treatment of Pulmonary TB<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd39 Standard Anti-TB Therapy (First-Line)<\/h3>\n\n\n\n<p>The <strong>initial phase<\/strong> (2 months):<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Rifampicin (R)<\/strong><\/li>\n\n\n\n<li><strong>Isoniazid (H)<\/strong><\/li>\n\n\n\n<li><strong>Pyrazinamide (Z)<\/strong><\/li>\n\n\n\n<li><strong>Ethambutol (E)<\/strong><\/li>\n<\/ul>\n\n\n\n<p>The <strong>continuation phase<\/strong> (4 months):<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Rifampicin + Isoniazid<\/strong><\/li>\n<\/ul>\n\n\n\n<p>\u23f1\ufe0f <strong>Total Duration<\/strong>: At least <strong>6 months<\/strong><\/p>\n\n\n\n<p>\ud83d\udccc It is critical to <strong>complete the full course<\/strong> to prevent <strong>drug resistance<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u26a0\ufe0f Drug-Resistant TB (MDR-TB and XDR-TB)<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>MDR-TB<\/strong>: Resistant to at least rifampicin and isoniazid<\/li>\n\n\n\n<li><strong>XDR-TB<\/strong>: Resistant to multiple drugs, including fluoroquinolones<\/li>\n<\/ul>\n\n\n\n<p>Treatment is <strong>longer (up to 18\u201324 months)<\/strong> and may include <strong>injectable drugs<\/strong> or <strong>newer oral drugs<\/strong> like <strong>bedaquiline<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udee1\ufe0f Prevention of Pulmonary Tuberculosis<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 Key Preventive Measures:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Early diagnosis and treatment<\/strong> of active TB cases<\/li>\n\n\n\n<li><strong>BCG vaccine<\/strong> at birth (offers protection to children)<\/li>\n\n\n\n<li><strong>Isolation of infectious individuals<\/strong><\/li>\n\n\n\n<li><strong>Proper ventilation<\/strong> in homes and public places<\/li>\n\n\n\n<li><strong>Wearing masks<\/strong> in high-risk settings<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udc65 Who\u2019s at Risk?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Close contact with active TB patients<\/li>\n\n\n\n<li>People with <strong>HIV\/AIDS<\/strong><\/li>\n\n\n\n<li>Individuals with <strong>malnutrition or chronic illness<\/strong><\/li>\n\n\n\n<li>Healthcare workers<\/li>\n\n\n\n<li>People living in <strong>overcrowded or poorly ventilated areas<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udc68\u200d\u2695\ufe0f When to See a Doctor<\/h2>\n\n\n\n<p>Seek immediate care if:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>You\u2019ve had a <strong>cough for more than 2 weeks<\/strong><\/li>\n\n\n\n<li>You have <strong>weight loss, fever, or night sweats<\/strong><\/li>\n\n\n\n<li>You&#8217;ve been in <strong>close contact<\/strong> with a TB patient<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u2705 Final Thoughts<\/h2>\n\n\n\n<p><strong>Pulmonary TB is preventable, treatable, and curable.<\/strong> Early detection and strict adherence to treatment can save lives and stop the spread. With rising cases of <strong>drug-resistant TB<\/strong>, it\u2019s more important than ever to raise awareness and ensure timely diagnosis and management.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udccc What Is Pulmonary Tuberculosis? Pulmonary tuberculosis (TB) is a contagious bacterial infection that mainly affects the lungs, caused by&hellip;<\/p>\n","protected":false},"author":1,"featured_media":254,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[95,93,92,88,90,89,91,94],"class_list":["post-253","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-diabetes","tag-chronic-cough","tag-how-tb-spreads","tag-lung-tuberculosis","tag-pulmonary-tuberculosis","tag-tb-diagnosis","tag-tb-symptoms","tag-tb-treatment","tag-tuberculosis-prevention"],"_links":{"self":[{"href":"https:\/\/medscapeus.com\/index.php?rest_route=\/wp\/v2\/posts\/253","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/medscapeus.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/medscapeus.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/medscapeus.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/medscapeus.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=253"}],"version-history":[{"count":1,"href":"https:\/\/medscapeus.com\/index.php?rest_route=\/wp\/v2\/posts\/253\/revisions"}],"predecessor-version":[{"id":255,"href":"https:\/\/medscapeus.com\/index.php?rest_route=\/wp\/v2\/posts\/253\/revisions\/255"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/medscapeus.com\/index.php?rest_route=\/wp\/v2\/media\/254"}],"wp:attachment":[{"href":"https:\/\/medscapeus.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=253"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/medscapeus.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=253"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/medscapeus.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=253"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}