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Causes could include:
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No known cause
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Asthma is caused by inflammation in the airways. When an asthma attack occurs, the muscles surrounding the airways become tight and the lining of the air passages swell.
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Skin changes, like dermatitis or eczema, are a clue that the patient has allergic problems. Inquiring about a family history of asthma or allergies can be a valuable indicator of asthma.
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Current medical research continues to refine our understanding of how genes influence the development and severity of asthma symptoms in individual patients. It has been clearly established that asthma tends to run in families.
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Asthma is a complex heritable disease in which a number of different genes contribute to asthmatic predisposition. While genes may cause a predisposition to asthma, actual asthma attacks are triggered by stimulating environmental factors.
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About 80 percent of childhood asthma cases are caused by allergies. In most cases, inhaling an allergen sets off the chain of biochemical and tissue changes leading to airway inflammation, bronchoconstriction, and wheezing characteristic of asthma.
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In most cases, asthma is caused by inhaling an allergen that sets off the chain of biochemical and tissue changes leading to airway inflammation, bronchoconstriction, and wheezing. Because avoiding(or at least minimizing) exposure is the most effe...
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In most cases, asthma is caused by inhaling an allergen that sets off the biochemical chain reaction, causing the tissue changes that lead to airway inflammation, bronchoconstriction, and wheezing. Since avoiding, or at least minimizing, exposure ...
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