Asthma affects an estimated 262 million people worldwide, according to the World Health Organization . In Spain, approximately 3 million people live with this condition, based on estimates from the Center for Biomedical Research on Respiratory Diseases, Madrid, Spain.

Despite major therapeutic advances, poor asthma control remains a widespread problem. The excessive and prolonged use of rescue medications is the leading contributor. A 2020 Spanish observational study pointed to inappropriate prescribing, poor treatment adherence, and incorrect inhaler techniques as key factors.

Rescue Therapies

Rescue medications are designed to provide rapid relief from the symptoms. These include short-acting beta-2 agonists (SABAs), most commonly prescribed in clinical practice, and short-act

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