Asthalin Inhaler is medication prescribed by doctors to administer relief as well as prevent symptoms of asthma and other respiratory diseases, such as wheezing and dyspnea. This contains Salbutamol, a bronchodilator that relaxes airway muscles in order to have a smooth flow of air. Asthalin is most often used for conditions of asthma or chronic obstructive pulmonary disease. The patient has relief during attacks of dyspnea. Use only in amount as specified by the physician.