Bronchodilators release the symptoms of asthma by soothing the muscles that can squeeze around the airways. This helps to open up the airways.
Short-acting bronchodilator inhalers or rescue inhalers, are used to rapidly relieve the wheezing, cough, chest tightness, and shortness of breath caused by asthma. They may also be used before an exercise for people who suffer from asthma induced by exercise.
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Bronchodilators should not be used daily in the routine treatment of asthma. If you need to use a short-acting bronchodilator more than twice a week, then your asthma is not optimally controlled. Consult your doctor about improving your asthma controller medication.
Long-acting bronchodilators are used in combination with inhaled steroids or corticosteroids for controlling asthma symptoms.