What is the main purpose of Albuterol when used by a patient with asthma?

The main purpose of Albuterol when used by a patient with asthma is to treat bronchoconstriction. Albuterol is a short-acting beta-2 adrenergic agonist (SABA) that works by relaxing the smooth muscles of the airways, leading to dilation of the bronchi. This action helps to quickly relieve symptoms of asthma, such as wheezing, coughing, and shortness of breath, particularly during an acute asthma attack or in response to exercise or allergens.

Patients typically use Albuterol as a rescue inhaler due to its rapid onset of action, which helps to provide immediate relief from bronchoconstriction. This is especially crucial during asthma exacerbations when the airways constrict, making breathing difficult.

Other options like long-term controller medications target inflammation over a prolonged period, which is different from the immediate action that Albuterol provides. Similarly, while reducing mucus production is important in asthma management, Albuterol primarily addresses the tightening of bronchial muscles rather than mucus secretion, and it does not prevent inflammation. Therefore, the therapeutic focus of Albuterol is distinctly on alleviating bronchoconstriction.