Asthma causes شرح بالعربي أسباب الربوbr Link to asthma treatment شرح بالعربىbr Asthma is a chronic inflammatory disorder of the airways.br Characteristics of Asthmabr 1-Airflow limitation , which is usually reversible spontaneously or with treatmenbr 2-Airway hyper- responsiveness to a wide range of stimuli .br 3-Bronchial inflammation with T lymphocytes, mast cells, eosinophils with associated plasma exudation, oedema, smooth muscle hypertrophy, matrix deposition, mucus plugging and epithelial damage.br inflammation may be accompanied by irreversible airflow limitation as a result of airway wall remodelling, which may involve large and small airways and mucus impaction.