Asthma - Symptoms and causes - Mayo Clinic
网页2024年4月6日 · Asthma is a condition in which your airways narrow and swell and may produce extra mucus. This can make breathing difficult and trigger coughing, a whistling sound (wheezing) when you breathe out and shortness of breath. For some people, asthma is a minor nuisance.
Asthma: Types, Causes, Symptoms, Diagnosis & Treatment
网页Asthma, also called bronchial asthma, is a disease that affects your lungs. It’s a chronic (ongoing) condition, meaning it doesn’t go away and needs ongoing medical management. Asthma affects more than 25 million people in the U.S. currently.
What Is Asthma? - American Lung Association
网页2023年4月19日 · Asthma is a lung disease that makes it harder to move air in and out of your lungs. Asthma is chronic, so you live with it every day. Understand what asthma is and how it affects your lungs and airways.
Asthma: Causes, Symptoms, and Treatment - WebMD
网页2024年1月9日 · Asthma is a long-term disease of the lungs. It causes your airways to get inflamed and narrow, which makes it hard to breathe. Severe asthma can cause trouble talking or being active. You might...
Asthma - World Health Organization (WHO)
网页2024年5月6日 · Asthma is a major noncommunicable disease (NCD), affecting both children and adults, and is the most common chronic disease among children. Inflammation and narrowing of the small airways in the lungs cause asthma symptoms, which can be any combination of cough, wheeze, shortness of breath and chest tightness.
Asthma - What Is Asthma? - NHLBI, NIH
网页2024年4月17日 · Asthma is a chronic condition that inflames and narrows the airways in the lungs. Learn about asthma symptoms, attacks, causes, triggers, and treatments.
Asthma | Asthma | CDC - Centers for Disease Control and …
网页Basic information about what asthma is, how it is diagnosed, and how to control it.
Asthma - Diagnosis and treatment - Mayo Clinic
网页2024年4月6日 · To classify your asthma severity, your doctor will consider how often you have signs and symptoms and how severe they are. Your doctor will also consider the results of your physical exam and diagnostic tests. Determining your asthma severity helps your doctor choose the best treatment.
About Asthma | Asthma | CDC - Centers for Disease Control and …
网页2024年1月22日 · Asthma is a disease that affects your lungs. It is one of the most common long-term diseases of children, but adults can have asthma, too. Asthma causes wheezing, breathlessness, chest tightness, and coughing at night or early in the morning.
Asthma - American Lung Association
网页Asthma makes breathing difficult for millions of Americans. There is no cure, but it can be managed and treated so you can live a normal, healthy life. What you need to know about asthma