Asthma
Also called: bronchial asthma
A condition in which a person's airways become inflamed, narrow and swell, and produce extra mucus, which makes it difficult to breathe.
- Treatable by a medical professional
- Requires a medical diagnosis
- Lab tests or imaging often required
- Chronic: can last for years or be lifelong
Asthma can be minor or it can interfere with daily activities. In some cases, it may lead to a life-threatening attack.
Very common: More than 3 million US cases per year
Consult a doctor for medical advice
Sources: Mayo Clinic and others. Learn more
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Asthma is a disease in which the airways clog and narrow, making it hard to breathe. Learn about asthma rates, symptoms, diagnosis, treatment.
Jan 9, 2024 · Asthma is a long-term disease of the lungs. It causes your airways to get inflamed and narrow, which makes it hard to breathe.