Asthma - Symptoms and causes - Mayo Clinic
Mar 8, 2025 · Find out what can trigger asthma and how to relieve your symptoms and breathe easier.
Asthma: Types, Causes, Symptoms, Diagnosis & Treatment
Asthma is a condition that causes your airways to swell, narrow and fill with mucus. This can make it hard to breathe or cause other symptoms, like chest …
Asthma: Causes, Symptoms, and Treatment - WebMD
Mar 20, 2026 · Asthma, a persistent respiratory condition, narrows airways, causing breathlessness and difficulty breathing. Explore symptoms, causes, …
Asthma - World Health Organization (WHO)
Apr 28, 2026 · WHO factsheet on asthma providing key facts, causes, reducing the burden, prevention and control.
Asthma - Diagnosis and treatment - Mayo Clinic
Mar 8, 2025 · Find out what can trigger asthma and how to relieve your symptoms and breathe easier.
Asthma - Wikipedia
Asthma is a common long-term inflammatory disease of the airways. It is characterized by variable and recurring symptoms and reduced lung function. …
Asthma | Asthma | CDC
Asthma is a disease that affects breathing and the lungs. Asthma can be controlled with medications and avoiding triggers that cause an attack.
Asthma - What Is Asthma? | NHLBI, NIH
Apr 17, 2024 · Asthma is a chronic condition that inflames and narrows the airways in the lungs. Learn about asthma symptoms, attacks, causes, triggers, …
About Asthma | Asthma | CDC
Jan 22, 2024 · Basic information about what asthma is, how it is diagnosed, and how to control it.
What Is Asthma? - American Lung Association
Jan 20, 2026 · 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. …