Asthma Management: New Developments
Asthma is a chronic inflammatory disease that affects over 339 million individuals worldwide. Characterized by variable airflow limitation and bronchial hyperresponsiveness, symptoms include wheezing, shortness of breath, chest tightness, and/or cough. Asthma symptoms are episodic in nature, often worse at night or in the early morning, and can be triggered by factors such as exercise, airborne allergens, pollution, cigarette smoking, weather changes (eg, very cold, low humidity), and viral upper respiratory infections. To diagnose asthma, patients must have a history of variable respiratory symptoms, as well as limited expiratory airflow that has been confirmed with spirometry..
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