1. Extrinsic (allergic)
Characterized by allergic reactions this classification of asthma caused by factors specific trigger, such as dust, pollen, animal dander, drugs (antibiotics and aspirin) and fungal spores. Extrinsic asthma is often associated with the presence of a genetic predisposition to allergies. Therefore if there are specific trigger factors such as those mentioned above, there will be extrinsic asthma attacks.
2. Intrinsic (non allergic)
Characterized by the presence of non allergic reaction that react to triggers that are not specific or unknown, such as cold air or it could be caused by respiratory tract infections and emotions. This classification of asthma attacks are becoming more severe and frequent over time and can develop into chronic bronchitis and emphysema. Some patients will experience asthma combined.
3. Combination of both
The most common form of asthma. This classification has the characteristics of this form of allergic and non-allergic.
As mentioned in asthma emedicine, Asthma is a chronic disease that attacks the respiratory tract where there is inflammation in the lung cavity wall bronchiale causing constriction of the airways. Asthma is most common in developed countries, especially those high air pollution levels from either fumes or dust.
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