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Beta2-agonists are drugs that are generally used to treat asthma and chronic obstructive pulmonary disease (COPD). These medications operate by relaxing the muscles in the airways, making it simpler for people with these problems to breathe. Beta2-agonists are classified into two types: short-acting and long-acting. SABAs are commonly used as quick-relief or rescue drugs during asthma episodes or when a person encounters acute breathing difficulties. They work quickly, clearing up the airways in minutes and providing relief for roughly 4-6 hours. Albuterol (salbutamol) and levalbuterol are two common SABAs. Long-acting beta2-agonists (LABAs), on the other hand, have a slower onset of action but provide a longer length of relief, generally lasting 12 hours or more. LABAs are used as maintenance medication in the treatment of asthma and COPD to prevent symptoms and exacerbations. For improved treatment of certain respiratory diseases, they are frequently used in conjunction with inhaled corticosteroids (ICS). Formoterol and salmeterol are two examples of LABAs. While beta2-agonists are successful at treating asthma and COPD symptoms, they do have some drawbacks. Tremors, elevated heart rate (tachycardia), palpitations, migraines, and muscle cramps are common side effects. However, in most situations, these adverse effects are modest and transitory. It is critical to use beta2-agonists exactly as prescribed by a doctor. SABA overuse, in particular, can be an indication of poorly managed asthma and may indicate the need for a treatment plan reassessment. Excessive reliance on short-acting drugs may potentially indicate a deterioration of the underlying illness, necessitating changes to the long-term care approach, such as the addition of controller medications such as inhaled corticosteroids. Prolonged use of LABAs without combined therapy with corticosteroids may raise the risk of severe asthma exacerbations in some cases. As a result, healthcare practitioners frequently prescribe combination inhalers containing both a LABA and an ICS to effectively manage inflammation and avoid symptoms while minimizing potential hazards associated with long-term LABA usage. Regular check-ins with a healthcare practitioner are critical for assessing the efficacy of beta2-agonist therapy and making any required changes to the treatment plan to achieve optimal control of asthma or COPD while minimizing side effects and hazards.