What medication should be added to Bella's asthma management plan in addition to SABA PRN?

The addition of an inhaled corticosteroid is fundamental in the management of asthma, especially for patients who experience symptoms more frequently or require a short-acting beta2-agonist (SABA) on an as-needed basis. Inhaled corticosteroids are effective anti-inflammatory medications that help to reduce airway inflammation, decrease asthma symptoms, and prevent exacerbations. By controlling inflammation, these medications lead to improved lung function and better overall asthma control.

In contrast, while long-acting beta2-agonists and long-acting muscarinic antagonists can be beneficial for asthma management, they are typically used in combination with inhaled corticosteroids rather than as standalone treatments. Oral theophylline is a less commonly used medication nowadays due to its side effect profile and the availability of more effective alternatives, such as inhaled corticosteroids. Thus, the incorporation of an inhaled corticosteroid into Bella's management plan will address her underlying inflammation and enhance her overall asthma control effectively.