A blue asthma inhaler typically refers to a quick-relief inhaler used to treat asthma symptoms such as wheezing, coughing, and shortness of breath. The most common medication in these blue inhalers is albuterol (also known as salbutamol), a bronchodilator. It works by relaxing the muscles around the airways, allowing them to open up and making breathing easier. These inhalers are often used during an asthma attack or before exercise to prevent symptoms.
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