{"id":24641,"date":"2025-04-21T08:14:50","date_gmt":"2025-04-21T01:14:50","guid":{"rendered":"https:\/\/www.nksleepcenter.com\/?p=24641"},"modified":"2026-03-24T11:21:13","modified_gmt":"2026-03-24T04:21:13","slug":"what-is-copd","status":"publish","type":"post","link":"https:\/\/www.nksleepcare.com\/en\/what-is-copd\/","title":{"rendered":"What is chronic obstructive pulmonary disease (COPD) and how is it treated?"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Chronic coughing, shortness of breath after climbing just a few steps, or chest tightness that prevents you from taking a full breath\u2014these symptoms aren&#039;t just signs of aging or general fatigue. They may be warning signs that your lungs are facing a crisis. If you or a loved one are experiencing these problems, this article will help you understand what COPD is and delve into every aspect of chronic obstructive pulmonary disease in easy-to-understand language, so you can manage, prevent, and care for your lung health correctly and promptly.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>What is COPD? Get to know &quot;Chronic Obstructive Pulmonary Disease&quot;.\u201c<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Many people may wonder what COPD is. The answer is that COPD stands for Chronic Obstructive Pulmonary Disease. It&#039;s a group of diseases caused by abnormalities in the respiratory system and lung tissue, primarily resulting from lung damage caused by prolonged inhalation of irritants, leading to chronic lung inflammation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The frightening aspect of chronic obstructive pulmonary disease (COPD) lies in the combination of two disorders: emphysema and chronic bronchitis. As inflammation accumulates in the lungs and bronchi, the airways gradually narrow. This prevents patients from efficiently inhaling and exhaling air, resulting in insufficient oxygen intake and leading to shortness of breath and a host of other health problems.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>What are some of the symptoms of COPD?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Symptoms of chronic obstructive pulmonary disease (COPD) usually develop slowly. In the early stages, patients may have no symptoms or only mild symptoms that are often overlooked. However, as more lung tissue is damaged, the symptoms become more pronounced and severe. Common symptoms of COPD include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>I have a chronic cough, especially in the morning after waking up, and it tends to be persistent.<\/li>\n\n\n\n<li>There is a large amount of phlegm in the throat, which is a result of chronic bronchitis.<\/li>\n\n\n\n<li>I feel easily fatigued compared to normal when doing daily activities such as walking, getting dressed, or even minimal exertion.<\/li>\n\n\n\n<li>Difficulty breathing, a feeling of tightness in the chest, and possibly a wheezing sound in the throat while breathing.<\/li>\n\n\n\n<li>There is a tendency to experience frequent respiratory and lung infections.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Furthermore, if the disease progresses to a more severe stage, patients may experience more dangerous complications such as coughing up blood, purplish discoloration of the lips and nails due to oxygen deprivation, rapid and unexplained weight loss, and swelling in the arms, legs, or ankles. If any of these symptoms are observed, immediate medical attention is necessary for diagnosis and treatment.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Causes of COPD and risk factors you may have overlooked.<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Understanding the causes of COPD is a crucial first step in self-protection. This disease doesn&#039;t develop overnight but results from the accumulation of damage to the respiratory system, with the following main risk factors:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Smoking and inhaling cigarette smoke.<\/strong> Considered the most common cause of death, cigarette smoke contains more than four thousand toxic chemicals that directly damage the lining of the bronchi and alveoli in the lungs, causing chronic inflammation and destroying the elasticity of the lung tissue.<\/li>\n\n\n\n<li><strong>Air pollution<\/strong> Living in environments with fine particulate matter, exhaust fumes, or working in environments that expose you to toxic chemicals and vapors for prolonged periods significantly increases the risk of developing chronic obstructive pulmonary disease (COPD).<\/li>\n\n\n\n<li><strong>Genetic disorders<\/strong> Although rare, some patients may have alpha-1-antitrypsin deficiency, a condition in which an enzyme produced by the liver protects lung tissue. When the body lacks this enzyme, the lungs become more susceptible to damage, even for those who have never smoked.<\/li>\n\n\n\n<li>Other contributing risk factors include individuals with a history of asthma who also smoke; older age and a history of premature birth, which may result in incomplete lung development, are also considered risk factors.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Other complications if COPD is left untreated.<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Chronic obstructive pulmonary disease (COPD) doesn&#039;t just affect the respiratory system; it&#039;s a domino effect that disrupts other systems in the body. If not properly treated, it can lead to serious complications such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pulmonary hypertension<\/strong> When the alveoli become swollen and damaged, blood vessels in the lungs constrict, resulting in increased blood pressure in the lungs and forcing the right side of the heart to work harder than normal.<\/li>\n\n\n\n<li><strong>Respiratory tract infections<\/strong> Patients will have weakened immunity in the respiratory tract, making them susceptible to influenza, pneumonia, and acute bronchitis, which further exacerbates breathing difficulties.<\/li>\n\n\n\n<li><strong>Cardiovascular disease<\/strong> The patient is at high risk of developing acute myocardial infarction or cardiac arrhythmias.<\/li>\n\n\n\n<li><strong>Osteoporosis<\/strong> It is often a side effect of patients needing to use corticosteroids for extended periods to control inflammation.<\/li>\n\n\n\n<li><strong>Enveloping cavity<\/strong>Pneumothorax or ruptured lung: The fragile and damaged lung structure can cause the alveoli to rupture, allowing air to leak into the chest cavity. This results in a collapsed lung and difficulty breathing.<\/li>\n\n\n\n<li><strong>Lung cancer<\/strong> Patients with chronic obstructive pulmonary disease (COPD) have a higher risk of developing lung cancer than the general population, especially those with a history of heavy smoking.<\/li>\n\n\n\n<li><strong>Depression and mental health problems<\/strong> Physical limitations that prevent people from performing normal daily activities often lead to a loss of self-confidence, sadness, stress, and ultimately, depression.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Accurate diagnosis of chronic obstructive pulmonary disease (COPD).<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">If you suspect that you or a loved one has symptoms, your doctor will have standard diagnostic procedures to assess lung function and screen out other diseases. The main tools used for diagnosis are as follows:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Spirometry is the most accurate standard method for measuring lung function. Patients take the deepest breath possible and then exhale forcefully and quickly into the measuring device. The machine calculates the volume of air expelled in the first second (FEV1) relative to total lung capacity to assess the degree of airway obstruction.<\/li>\n<\/ul>\n\n\n\n<table id=\"tablepress-5\" class=\"tablepress tablepress-id-5\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">violence<\/th><th class=\"column-2\">Supposedly FEV1 %<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">Slightly (GOLD 1)<\/td><td class=\"column-2\">\u226580<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">Medium (GOLD 2)<\/td><td class=\"column-2\">50\u201379<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">Violent (GOLD 3)<\/td><td class=\"column-2\">30\u201349<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">Very intense (GOLD 4)<\/td><td class=\"column-2\">&lt;30 or respiratory failure.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n<ul class=\"wp-block-list\">\n<li>A chest X-ray helps doctors visualize emphysema and can also help differentiate it from other conditions with similar symptoms, such as heart failure or tuberculosis.<\/li>\n\n\n\n<li>A computed tomography (CT) scan provides high-resolution images that help doctors clearly assess lung tissue damage and plan treatment if surgery is necessary.<\/li>\n\n\n\n<li>Arterial blood gas (BGB) analysis involves drawing blood from an artery to measure oxygen and carbon dioxide levels, indicating the efficiency of the lungs in gas exchange.<\/li>\n\n\n\n<li>For additional testing, your doctor may consider taking blood samples to check for genetic enzyme deficiencies or to perform heart function tests.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/www.nksleepcare.com\/wp-content\/uploads\/2020\/05\/Spirometry-600x400.jpg\" alt=\"Spirometer examination\" class=\"wp-image-19274\" srcset=\"https:\/\/www.nksleepcare.com\/wp-content\/uploads\/2020\/05\/Spirometry-600x400.jpg 600w, https:\/\/www.nksleepcare.com\/wp-content\/uploads\/2020\/05\/Spirometry-1200x800.jpg 1200w, https:\/\/www.nksleepcare.com\/wp-content\/uploads\/2020\/05\/Spirometry-768x512.jpg 768w, https:\/\/www.nksleepcare.com\/wp-content\/uploads\/2020\/05\/Spirometry-1536x1024.jpg 1536w, https:\/\/www.nksleepcare.com\/wp-content\/uploads\/2020\/05\/Spirometry-2048x1365.jpg 2048w, https:\/\/www.nksleepcare.com\/wp-content\/uploads\/2020\/05\/Spirometry-scaled.jpg 1800w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption class=\"wp-element-caption\">Spirometer examination<\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><strong>Assessing the severity of COPD.<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Knowing the severity of the disease is crucial for treatment planning. Based on lung function test results and expiratory volume per second (FEV1), the disease can be staging into four stages as follows:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Level 1: Mild<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A lung capacity FEV1 value greater than or equal to 80% indicates a condition where patients are often unaware of the abnormality. They may only experience chronic coughing and slight sputum production. At this stage, doctors may consider prescribing short-acting bronchodilators when symptoms occur.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Level 2: Moderate<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">When the FEV1 (lung capacity utilization rate) is between 50% and 79%, patients will begin to notice more noticeable physical changes, such as increased coughing, excessive sputum production, and fatigue when exerting themselves. This is the stage at which most patients usually seek medical attention. Treatment typically involves long-acting bronchodilators to control daily symptoms.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Level 3 is severe.<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A lung capacity FEV1 value between 30% and 49% indicates a significant impact on daily life. Patients experience shortness of breath even during minimal activity, and exacerbations are frequent and severe, potentially requiring hospitalization.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Level 4 is very severe.<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A lung capacity FEV1 (Federal Fluid Volume) of less than 30% or concomitant right heart failure is considered a dangerous and life-threatening stage. Patients are unable to perform basic activities independently and often require constant supplemental oxygen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Treatment and prevention of COPD.<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Although chronic obstructive pulmonary disease (COPD) cannot restore lung tissue to its original condition, proper medical treatment can significantly slow lung deterioration, alleviate symptoms, and improve the quality of life for patients.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Self-care and lung physiotherapy.<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pulmonary rehabilitation is crucial. Patients should be taught proper breathing techniques to reduce respiratory energy expenditure. Gentle exercise, as directed by a doctor, will help strengthen muscles. Additionally, eating a healthy diet and avoiding dusty, polluted environments will help reduce the risk of disease exacerbation.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Stop smoking.<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">This is the most important and effective step, regardless of the stage of the disease. Quitting smoking completely will stop further lung damage and improve the response to treatment.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In addition to self-care, medical guidelines also play a crucial role, including:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Medication: Doctors will prescribe medications based on the severity of the condition, such as bronchodilators to relax the airway muscles, inhaled corticosteroids to reduce inflammation, and antibiotics in case of secondary infection.<br><\/li>\n\n\n\n<li>Oxygen therapy and mechanical ventilation are necessary for severely ill patients with low blood oxygen levels. Supplemental oxygen is essential, including the use of a dual-stage positive pressure ventilator.<a href=\"https:\/\/www.nksleepcare.com\/en\/bipap-is\/\">BiPAP<\/a>) or<a href=\"https:\/\/www.nksleepcare.com\/en\/what-is-cpap\/\">CPAP machine<\/a> To help support breathing during sleep or during exacerbations, these devices should be used under the guidance of a professional. Currently, there are specialized providers of comprehensive respiratory support devices, such as NK Sleepcare, an official distributor of leading global brands like Philips and ResMed. They offer popular models with automatic pressure adjustment, such as the Philips DreamStation Auto CPAP and ResMed AirSense 10, which help patients with respiratory problems and sleep apnea rest safely, along with expert medical consultations.<br><\/li>\n\n\n\n<li>Surgery: In cases where localized lung damage is severe and compresses healthy lung tissue, doctors may consider lung volume reduction surgery, or in critical cases, a lung transplant may be considered.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Browse<a href=\"https:\/\/www.nksleepcare.com\/en\/products\/cpap\/\">CPAP machine specifications.<\/a> Meets hospital standards.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>summarize<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Chronic obstructive pulmonary disease (COPD) is a silent killer that gradually erodes the health and quality of life of patients. Early detection of abnormalities, such as chronic coughing or unusual shortness of breath, and prompt diagnosis can lead to the most effective management of the disease. It is crucial to avoid risk factors, especially smoking and exposure to pollutants. If you have any concerns about your respiratory system, sleep problems, or need advice on using a breathing machine, consult a specialist for a thorough evaluation. Every breath you take is precious and should be protected.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Chronic coughing, shortness of breath after climbing just a few steps, or chest tightness that prevents you from taking a full breath\u2014these symptoms aren&#039;t just signs of aging or general fatigue. They may be warning signs that your lungs are facing a crisis. If you or a loved one is experiencing these problems, this article will help you understand what COPD is and delve into every aspect of chronic obstructive pulmonary disease in easy-to-understand language, so you can properly and promptly manage, prevent, and care for your lung health. What is COPD? Getting to know \u201cChronic Obstructive Pulmonary Disease\u201d Many people may wonder what COPD is. It stands for Chronic Obstructive Pulmonary Disease, a group of diseases caused by abnormalities in the respiratory system and lung tissue. Primarily, it results from lung damage caused by prolonged inhalation of irritants, leading to chronic lung inflammation. The frightening aspect of COPD is the combination of two abnormalities: emphysema and chronic bronchitis. When inflammation accumulates in the lung tissue and bronchi, the airways gradually narrow, preventing patients from efficiently inhaling and exhaling air. This results in the body not receiving enough oxygen to meet its needs. This leads to shortness of breath and many other health problems. What are the symptoms of COPD? Symptoms of chronic obstructive pulmonary disease usually develop slowly. In the early stages, patients may have no symptoms or only minor symptoms that are often overlooked. But as lung tissue is damaged more, the symptoms become clearer and more severe. Common COPD symptoms include: Furthermore, if the disease progresses to a more severe stage, patients may experience more dangerous complications such as coughing up blood, purplish discoloration of the lips and nails due to oxygen deficiency, rapid and unexplained weight loss, and swelling in the arms, legs, or ankles. If you experience any of these symptoms, you should see a doctor immediately for diagnosis and treatment. Causes of COPD and Risk Factors You May Overlook: Understanding the causes of COPD is a crucial first step in preventing yourself. This disease doesn&#039;t develop overnight but results from the accumulation of damage to the respiratory system, with the following main risk factors: Other Complications: If COPD is left untreated, chronic obstructive pulmonary disease affects not only the respiratory system but also acts as a domino effect, causing abnormalities in other body systems. If not properly treated, it can lead to serious complications such as: Accurate diagnosis of Chronic Obstructive Pulmonary Disease (COPD): If you suspect that you or a loved one have symptoms, your doctor will have standard diagnostic procedures to assess lung function and screen out other diseases. The main tools used for diagnosis include: Assessing the severity of COPD. Knowing the severity of the disease is crucial for treatment planning. Based on lung function test results and ejected air volume per second (FEV1), the disease can be divided into four stages: Stage 1\u2026<\/p>","protected":false},"author":2,"featured_media":24642,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[1354],"tags":[],"class_list":["post-24641","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-respiratory-disease"],"taxonomy_info":{"category":[{"value":1354,"label":"\u0e42\u0e23\u0e04\u0e23\u0e30\u0e1a\u0e1a\u0e17\u0e32\u0e07\u0e40\u0e14\u0e34\u0e19\u0e2b\u0e32\u0e22\u0e43\u0e08"}]},"featured_image_src_large":["https:\/\/www.nksleepcare.com\/wp-content\/uploads\/2025\/04\/what-is-copd.jpg",1200,628,false],"author_info":{"display_name":"\u0e19\u0e1e.\u0e27\u0e23\u0e27\u0e31\u0e12\u0e19\u0e4c \u0e2a\u0e38\u0e27\u0e23\u0e23\u0e13\u0e23\u0e31\u0e01\u0e29\u0e4c","author_link":"https:\/\/www.nksleepcare.com\/en\/author\/dr-worawat-suwannaruxa\/"},"comment_info":0,"category_info":[{"term_id":1354,"name":"\u0e42\u0e23\u0e04\u0e23\u0e30\u0e1a\u0e1a\u0e17\u0e32\u0e07\u0e40\u0e14\u0e34\u0e19\u0e2b\u0e32\u0e22\u0e43\u0e08","slug":"respiratory-disease","term_group":0,"term_taxonomy_id":1354,"taxonomy":"category","description":"","parent":0,"count":8,"filter":"raw","cat_ID":1354,"category_count":8,"category_description":"","cat_name":"\u0e42\u0e23\u0e04\u0e23\u0e30\u0e1a\u0e1a\u0e17\u0e32\u0e07\u0e40\u0e14\u0e34\u0e19\u0e2b\u0e32\u0e22\u0e43\u0e08","category_nicename":"respiratory-disease","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/www.nksleepcare.com\/en\/wp-json\/wp\/v2\/posts\/24641","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nksleepcare.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nksleepcare.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nksleepcare.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nksleepcare.com\/en\/wp-json\/wp\/v2\/comments?post=24641"}],"version-history":[{"count":4,"href":"https:\/\/www.nksleepcare.com\/en\/wp-json\/wp\/v2\/posts\/24641\/revisions"}],"predecessor-version":[{"id":193257,"href":"https:\/\/www.nksleepcare.com\/en\/wp-json\/wp\/v2\/posts\/24641\/revisions\/193257"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nksleepcare.com\/en\/wp-json\/wp\/v2\/media\/24642"}],"wp:attachment":[{"href":"https:\/\/www.nksleepcare.com\/en\/wp-json\/wp\/v2\/media?parent=24641"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nksleepcare.com\/en\/wp-json\/wp\/v2\/categories?post=24641"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nksleepcare.com\/en\/wp-json\/wp\/v2\/tags?post=24641"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}