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 Asthma

 Asthma Fact Asthma is a type of reactive airway disease that causes a constriction of the air passages, making breathing difficult.  Asthma attacks are often caused by allergens in the environment, stress, or cigarette smoke.


Asthma (from the Greek, ásthma, "panting") is a common chronic inflammatory disease of the airways characterized by variable and recurring symptoms, reversible airflow obstruction, and bronchospasm. Symptoms include wheezing, coughing, chest tightness, and shortness of breath.

Treatment of acute symptoms is usually with an inhaled short-acting beta-2 agonist (such as salbutamol). Symptoms can be prevented by avoiding triggers, such as allergens and irritants, and by inhaling corticosteroids. Leukotriene antagonists are less effective than corticosteroids and thus less preferred.

The prevalence of asthma has increased significantly since the 1970s. As of 2009, 300 million people were affected worldwide. In 2009 asthma caused 250,000 deaths globally. Despite this, with proper control of asthma with step down therapy, prognosis is generally good.

  Related Topics

 

       
  Asthma Listings

AAAAI - American Academy of Allergy Asthma and Immunology

AAFA - the Asthma and Allergy Foundation of America homepage

Asthma Introduction - very informative website provided by the Canadian Lung Association

 

 

 

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