This is a lung disorder that includes periodic attacks of wheezing, alternating with periods of relatively normal breathing. Symptoms of asthma can occur spontaneously or can be triggered by respiratory infections, exercise, cold air, tobacco smoke or other pollutants, stress or anxiety, or by food or drug allergies. The muscles of the bronchial tree become tight and the lining of the air passages become swollen, causing reduced airflow, thus, producing a wheezing sound and increasing mucus production. An asthma attacks can last for a few minutes to days, and can become dangerous if the airflow becomes severely restricted.
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No cause can be demonstrated for Bronchial asthma, it is usually intrinsic; occasionally it is caused by a specific allergy, like that of mold, pollen or dust . Allergy is not necessarily the cause of the asthma, though most individuals with asthma will have some positive allergy tests. Asthma can develop at any age, but some children seem to outgrow theillness. Risk factors include self or family history of eczema, allergies or family history of asthma.
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Wheezing usually begins suddenly and is composed of a sequence of attacks (episodic), which may become worse at night or in early morning. This is aggravated by exposure to cold air or exercise. Bronchodilators provide good relief from wheezing. Cough increases recently, with sputum (phlegm) production containing mucus. There is shortness of breath aggravated by exercise, occurring only when wheezing. In an emergency situation, there is an extreme difficulty in breathing, bluish colour of lips and face, severe anxiety, rapid pulse and sweating. Additional symptoms may include nasal flaring, coughing up blood, chest pain while breathing and a feeling of chest tightness.
Decreased or controlled exposure to known allergens can help in prevention. Staying away from cigarette smoke, removing animals from bedrooms or entire houses and avoiding foods that cause symptoms, can help.
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|Exercise of Asanas and Dietary control||Yoga & Meditation|
The constriction of the bronchial tubes gets very much reduced by regular exercise of Yogasana and Pranayama and slowly the capacity of bronchial tubes increases to a great extent. By this type of exercise an asthma attack can be controlled to a great extent and subsequently gradually asthma can be cured completely.
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