Following an allergic reaction, patient may suffer with respiratory symptoms such as tightness of chest and wheezing. These are the common symptoms in asthma too, occured due to constriction of bronchial smooth muslces and bronchodilators such as salbutamol inhaler are used to relief these symptoms. A bronchodilator is an inhaled drug, which control the asthma symptoms by relaxing the smooth muscles in the lungs.
A short acting bronchodilator provides quick relief of asthma symptoms and long acting bronchcodilators can provide upto 12 hours of reief from astma symptoms. The later is useful for the patinets who suffer with increased nocturnal symptoms . Bronchodilator are available in syrup and tablet form, however, inhaler is more effective and has quicker response.
A patient with the severe acute respiratory symptoms may need to be treated with nebulised bronchodilator e,g. salbutamol, using a nebuliser. A nebuliser is a small device can covert a small amount of salbutamol solution into gas form/a mist of salbutamol particles by means of a compressor. Then it can be inhaled by the patient via a face mask.