astma word block on white

asthma symptoms attack airways breathing wheezing coughing shortness inflammation bronchial lungs triggers allergens treatment medication inhaler control management chronic condition exercise prevention environment smoking dust pollen diagnosis plan spirometry rescue bronchodilators longterm persistent respiratory allergies childhood action air quality lung function obstruction relievers preventers healthcare immune system monitoring adherence pulmonary exerciseinduced severity peak flow process environmental cessation allergy medications steroids education breathlessness care avoidance health patient lifestyle provider