In patients with asthma, what medication is used as a rescue inhaler?

In patients with asthma, short-acting beta-agonists (SABAs) are utilized as rescue inhalers due to their rapid onset of action and effectiveness in providing quick relief from acute asthma symptoms. These medications work by relaxing the muscles around the airways, leading to bronchodilation, which allows for easier breathing during an asthma attack or exacerbation.

SABAs are most beneficial in situations where immediate relief is needed, making them the primary choice for as-needed dosing in asthma management. They help alleviate symptoms such as wheezing, shortness of breath, and chest tightness that can appear suddenly due to triggers or irritants.

In contrast, long-acting beta-agonists are designed for maintenance therapy rather than immediate relief, and they should not be used alone without a corticosteroid for asthma management. Corticosteroids, whether taken orally or through inhalation, are effective for long-term control and reducing inflammation but do not provide quick relief. Leukotriene modifiers are another category of medication that help manage chronic asthma but are not intended for immediate symptom control. Thus, the role of SABAs as the first line in emergency situations underscores their importance in asthma management.