The asthma is caused by airway hyper responsiveness to various stimuli such as a virus, allergen and exercise. The asthma affected 17.3 million individuals in the United States and 150 million worldwide. It is more seen in the children's.



This is not curable but the symptoms of the asthma can be reduces. So this is life long disease. Asthma occurs in persons of all races worldwide. The asthma appearance ratio is from male to female is 1:1. The asthma is appeared in the age of 18 years but the effect of asthma is seen in the adult age. The cause of asthma is usually due to the airway wall inflammation and airway wall constriction which arises due to the release inflammatory response chemical signals.

Causes of asthma

Dust

Exercise

Viral upper respiratory infection

Pollen

Genetic

Stress

Environmental changes

Symptoms of asthma

Wheezing

Sputum production

Allergens

Breathlessness

Decreased endurance

Chest tightness

Treatment of asthma

The immunoglobulin E may be decreases the bronchial airflow.

The T-lymphocytes may be used to release of an inflammatory mediators from eosinophils, mast cells, and lymphocytes.

Maintain pulmonary function as close to normal levels.

The T-helper 2 subset produces cytokines which stimulate the growth and the allergic response.

The inhaled corticosteroids are used for the management of asthma.

By using allergy skin test we can reduce the asthma.