A blue asthma inhaler is typically a quick-relief (or “rescue”) inhaler used to alleviate symptoms of asthma, such as wheezing, coughing, and shortness of breath. The most common medication found in these blue inhalers is albuterol (also known as salbutamol in some countries). Albuterol is a bronchodilator, which means it works by relaxing the muscles around the airways, making it easier to breathe during an asthma attack or when experiencing asthma symptoms.

Asthma patients need to carry their blue inhaler with them at all times, as it provides fast relief from asthma symptoms. However, if you find yourself needing to use the inhaler more frequently than prescribed, it’s crucial to consult a healthcare provider, as it may indicate that your asthma is not well-controlled and you might need a different or additional treatment.