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Asthma is a chronic inflammatory disease of the airways causing them to narrow and swell, leading to difficulty in breathing. In this the airways become hyperreactive to triggers like allergens, exercise, cold air, or infections. This causes episodes of wheezing, coughing, chest tightness, and shortness of breath. Asthma attacks can range from mild to severe.
No, but it can be effectively controlled with medications and by avoiding the trigger points.
It is diagnosed based on the symptoms like physical exam, and lung and function tests like Spirometry.
Medicines like Inhaled Corticosteroids, bronchodilators, and leukotriene modifiers.
Usually not if well controlled, but severe untreated asthma can cause complications.