News tagged with asthma

Related topics: children · allergy · lung function · american journal of respiratory and critical care medicine · new england journal of medicine

Fall mold may trigger asthma attacks

Many people think of allergies and asthma as two completely different diseases. In Kentucky, up to 4 percent of the population has nasal allergies, and 8 percent of the population has asthma. However, allergies are one common ...

Nov 07, 2016
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Quality improvement methods improve asthma care

(HealthDay)—Implementation of quality improvement (QI) methods can improve timely administration of short-acting β-agonists (SABAs) for acute asthma in a pediatric emergency department, according to a study published online ...

Oct 28, 2016
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Fragranced products: Risks for people and profits?

A University of Melbourne researcher has found that over one-third of Americans report health problems—from asthma attacks to migraine headaches—when exposed to common fragranced consumer products such as air fresheners, ...

Oct 24, 2016
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Asthma

Asthma is a chronic inflammation of the lungs in which the airways (bronchi) are reversibly narrowed. Asthma affects 7% of the population, and 300 million worldwide. During attacks (exacerbations), the smooth muscle cells in the bronchi constrict, and the airways become inflamed and swollen. Breathing becomes difficult, and asthma causes 4,000 deaths a year in the U.S. Attacks can be prevented by avoiding triggering factors and by drug treatment. Drugs are used for acute attacks, commonly inhaled β2-agonists. In more serious cases, drugs are used for long-term prevention, starting with inhaled corticosteroids, and then long-acting β2-agonists if necessary. Leukotriene antagonists are less effective than corticosteroids but have no side effects. Monoclonal antibodies such as mepolizumab and omalizumab are sometimes effective. Prognosis is good with treatment.

In contrast to chronic obstructive pulmonary disease and chronic bronchitis, the inflammation of asthma is reversible. In contrast to emphysema, asthma affects the bronchi, not the alveoli.

The National Heart, Lung and Blood Institute defines asthma as a common chronic disorder of the airways characterized by variable and recurring symptoms, airflow obstruction, bronchial hyperresponsiveness (bronchospasm), and an underlying inflammation.

Public attention in the developed world has recently focused on asthma because of its rapidly increasing prevalence, affecting up to one in four urban children.

This text uses material from Wikipedia, licensed under CC BY-SA

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