- Drug Class
- Short-Acting β2 Agonist (SABA)
- Mechanism of Action (MOA)
- Selective β2-adrenergic agonist → bronchial smooth-muscle relaxation → bronchodilation.
- Clinical Notes
- Rescue inhaler for acute asthma/COPD bronchospasm. Tachycardia, tremor, hypokalemia. Frequent use signals poor control.
Sources
Reviewed September 2026- FDA label — FDA / DailyMed
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