Which medication is commonly utilized as a rescue inhaler for patients with asthma?

Albuterol is commonly utilized as a rescue inhaler for patients with asthma due to its rapid action and effectiveness in providing immediate relief from acute bronchospasm. This medication is a short-acting beta-2 adrenergic agonist (SABA) that relaxes the muscles in the airways, leading to bronchodilation and improved airflow. Patients experiencing asthma symptoms such as wheezing or shortness of breath can use albuterol to quickly alleviate these symptoms, making it an essential component of asthma management.

In contrast, other medications listed, such as salmeterol, are long-acting beta-2 agonists (LABAs) that are not suitable for immediate relief and are instead used for maintenance therapy. Fluticasone is an inhaled corticosteroid that helps reduce inflammation in the airways over time, but it does not provide rapid rescue during an acute asthma attack. Ipratropium, an anticholinergic agent, can also be used for acute exacerbations, but it is generally not the first-line choice and is more commonly utilized in conjunction with other medications. Thus, albuterol remains the medication of choice for quick relief in asthma situations.