Describe the features of bronchial asthma.?

Asthma: Asthma is caused by a reaction of smooth muscles in your airways which get tight, triggered usually by allergies, but also by chemical irritants like smoke, dust, perfumes, etc. As the airways get tight, it becomes harder to breath, and coughing becomes pronounced and occurs in spasms. As it progresses, patients become very short of breath and will gasp for air. The need for treatment is urgent.

Cough: Cough, shortness of breath, wheezing.

Symptoms...: Asthma symptoms include recurrent and intermittent wheezing, shortness of breath, cough. Bronchospasm and airway inflammation occurs resulting in these symptoms. Triggers include airway infections as well as allergic triggers. There is no cure but treatments that control symptoms are effective. See your doctor for diagnosis and treatment.

Cough,Wheezing,SOB: The features of Bronchial Asthma are Cough Wheezing Shortness of Breath Chest tightness Hypoxia Low Oxygen in the blood Decrease of lung function on Spirometry which are reversible with bronchodilaters